Datasets:

---

mrqa-workshop

/

mrqa

like 24

Follow

Machine Reading for Question Answering Workshop 2

{ "tokens": [ "In", "1897", ",", "Frank", "Shuman", ",", "a", "U.S.", "inventor", ",", "engineer", "and", "solar", "energy", "pioneer", "built", "a", "small", "demonstration", "solar", "engine", "that", "worked", "by", "reflecting", "solar", "energy", "onto", "square", "boxes", "filled", "with", "ether", ",", "which", "has", "a", "lower", "boiling", "point", "than", "water", ",", "and", "were", "fitted", "internally", "with", "black", "pipes", "which", "in", "turn", "powered", "a", "steam", "engine", ".", "In", "1908", "Shuman", "formed", "the", "Sun", "Power", "Company", "with", "the", "intent", "of", "building", "larger", "solar", "power", "plants", ".", "He", ",", "along", "with", "his", "technical", "advisor", "A.S.E.", "Ackermann", "and", "British", "physicist", "Sir", "Charles", "Vernon", "Boys", ",", "developed", "an", "improved", "system", "using", "mirrors", "to", "reflect", "solar", "energy", "upon", "collector", "boxes", ",", "increasing", "heating", "capacity", "to", "the", "extent", "that", "water", "could", "now", "be", "used", "instead", "of", "ether", ".", "Shuman", "then", "constructed", "a", "full", "-", "scale", "steam", "engine", "powered", "by", "low", "-", "pressure", "water", ",", "enabling", "him", "to", "patent", "the", "entire", "solar", "engine", "system", "by", "1912", "." ], "offsets": [ 0, 3, 7, 9, 15, 21, 23, 25, 30, 38, 40, 49, 53, 59, 66, 74, 80, 82, 88, 102, 108, 115, 120, 127, 130, 141, 147, 154, 159, 166, 172, 179, 184, 189, 191, 197, 201, 203, 209, 217, 223, 228, 233, 235, 239, 244, 251, 262, 267, 273, 279, 285, 288, 293, 301, 303, 309, 315, 317, 320, 325, 332, 339, 343, 347, 353, 361, 366, 370, 377, 380, 389, 396, 402, 408, 414, 416, 418, 420, 426, 431, 435, 445, 453, 460, 470, 474, 482, 492, 496, 504, 511, 515, 517, 527, 530, 539, 546, 552, 560, 563, 571, 577, 584, 589, 599, 604, 606, 617, 625, 634, 637, 641, 648, 653, 659, 665, 669, 672, 677, 685, 688, 693, 695, 702, 707, 719, 721, 725, 726, 732, 738, 745, 753, 756, 759, 760, 769, 774, 776, 785, 789, 792, 799, 803, 810, 816, 823, 830, 833, 837 ] }

{ "tokens": [ "What", "was", "the", "name", "of", "the", "inventor", "who", "built", "a", "solar", "engine", "in", "1897", "?" ], "offsets": [ 0, 5, 9, 13, 18, 21, 25, 34, 38, 44, 46, 52, 59, 62, 66 ] }

{ "text": [ "Frank Shuman" ], "char_spans": [ { "start": [ 9 ], "end": [ 20 ] } ], "token_spans": [ { "start": [ 3 ], "end": [ 4 ] } ] }

[ "Frank Shuman" ]

{ "tokens": [ "In", "1897", ",", "Frank", "Shuman", ",", "a", "U.S.", "inventor", ",", "engineer", "and", "solar", "energy", "pioneer", "built", "a", "small", "demonstration", "solar", "engine", "that", "worked", "by", "reflecting", "solar", "energy", "onto", "square", "boxes", "filled", "with", "ether", ",", "which", "has", "a", "lower", "boiling", "point", "than", "water", ",", "and", "were", "fitted", "internally", "with", "black", "pipes", "which", "in", "turn", "powered", "a", "steam", "engine", ".", "In", "1908", "Shuman", "formed", "the", "Sun", "Power", "Company", "with", "the", "intent", "of", "building", "larger", "solar", "power", "plants", ".", "He", ",", "along", "with", "his", "technical", "advisor", "A.S.E.", "Ackermann", "and", "British", "physicist", "Sir", "Charles", "Vernon", "Boys", ",", "developed", "an", "improved", "system", "using", "mirrors", "to", "reflect", "solar", "energy", "upon", "collector", "boxes", ",", "increasing", "heating", "capacity", "to", "the", "extent", "that", "water", "could", "now", "be", "used", "instead", "of", "ether", ".", "Shuman", "then", "constructed", "a", "full", "-", "scale", "steam", "engine", "powered", "by", "low", "-", "pressure", "water", ",", "enabling", "him", "to", "patent", "the", "entire", "solar", "engine", "system", "by", "1912", "." ], "offsets": [ 0, 3, 7, 9, 15, 21, 23, 25, 30, 38, 40, 49, 53, 59, 66, 74, 80, 82, 88, 102, 108, 115, 120, 127, 130, 141, 147, 154, 159, 166, 172, 179, 184, 189, 191, 197, 201, 203, 209, 217, 223, 228, 233, 235, 239, 244, 251, 262, 267, 273, 279, 285, 288, 293, 301, 303, 309, 315, 317, 320, 325, 332, 339, 343, 347, 353, 361, 366, 370, 377, 380, 389, 396, 402, 408, 414, 416, 418, 420, 426, 431, 435, 445, 453, 460, 470, 474, 482, 492, 496, 504, 511, 515, 517, 527, 530, 539, 546, 552, 560, 563, 571, 577, 584, 589, 599, 604, 606, 617, 625, 634, 637, 641, 648, 653, 659, 665, 669, 672, 677, 685, 688, 693, 695, 702, 707, 719, 721, 725, 726, 732, 738, 745, 753, 756, 759, 760, 769, 774, 776, 785, 789, 792, 799, 803, 810, 816, 823, 830, 833, 837 ] }

{ "tokens": [ "In", "what", "year", "was", "the", "Sun", "Power", "Company", "formed", "?" ], "offsets": [ 0, 3, 8, 13, 17, 21, 25, 31, 39, 45 ] }

{ "text": [ "1908" ], "char_spans": [ { "start": [ 320 ], "end": [ 323 ] } ], "token_spans": [ { "start": [ 59 ], "end": [ 59 ] } ] }

[ "1908" ]

{ "tokens": [ "In", "1897", ",", "Frank", "Shuman", ",", "a", "U.S.", "inventor", ",", "engineer", "and", "solar", "energy", "pioneer", "built", "a", "small", "demonstration", "solar", "engine", "that", "worked", "by", "reflecting", "solar", "energy", "onto", "square", "boxes", "filled", "with", "ether", ",", "which", "has", "a", "lower", "boiling", "point", "than", "water", ",", "and", "were", "fitted", "internally", "with", "black", "pipes", "which", "in", "turn", "powered", "a", "steam", "engine", ".", "In", "1908", "Shuman", "formed", "the", "Sun", "Power", "Company", "with", "the", "intent", "of", "building", "larger", "solar", "power", "plants", ".", "He", ",", "along", "with", "his", "technical", "advisor", "A.S.E.", "Ackermann", "and", "British", "physicist", "Sir", "Charles", "Vernon", "Boys", ",", "developed", "an", "improved", "system", "using", "mirrors", "to", "reflect", "solar", "energy", "upon", "collector", "boxes", ",", "increasing", "heating", "capacity", "to", "the", "extent", "that", "water", "could", "now", "be", "used", "instead", "of", "ether", ".", "Shuman", "then", "constructed", "a", "full", "-", "scale", "steam", "engine", "powered", "by", "low", "-", "pressure", "water", ",", "enabling", "him", "to", "patent", "the", "entire", "solar", "engine", "system", "by", "1912", "." ], "offsets": [ 0, 3, 7, 9, 15, 21, 23, 25, 30, 38, 40, 49, 53, 59, 66, 74, 80, 82, 88, 102, 108, 115, 120, 127, 130, 141, 147, 154, 159, 166, 172, 179, 184, 189, 191, 197, 201, 203, 209, 217, 223, 228, 233, 235, 239, 244, 251, 262, 267, 273, 279, 285, 288, 293, 301, 303, 309, 315, 317, 320, 325, 332, 339, 343, 347, 353, 361, 366, 370, 377, 380, 389, 396, 402, 408, 414, 416, 418, 420, 426, 431, 435, 445, 453, 460, 470, 474, 482, 492, 496, 504, 511, 515, 517, 527, 530, 539, 546, 552, 560, 563, 571, 577, 584, 589, 599, 604, 606, 617, 625, 634, 637, 641, 648, 653, 659, 665, 669, 672, 677, 685, 688, 693, 695, 702, 707, 719, 721, 725, 726, 732, 738, 745, 753, 756, 759, 760, 769, 774, 776, 785, 789, 792, 799, 803, 810, 816, 823, 830, 833, 837 ] }

{ "tokens": [ "Shuman", "patented", "his", "solar", "engine", "system", "in", "what", "year", "?" ], "offsets": [ 0, 7, 16, 20, 26, 33, 40, 43, 48, 52 ] }

{ "text": [ "1912" ], "char_spans": [ { "start": [ 833 ], "end": [ 836 ] } ], "token_spans": [ { "start": [ 149 ], "end": [ 149 ] } ] }

[ "1912" ]

{ "tokens": [ "In", "1897", ",", "Frank", "Shuman", ",", "a", "U.S.", "inventor", ",", "engineer", "and", "solar", "energy", "pioneer", "built", "a", "small", "demonstration", "solar", "engine", "that", "worked", "by", "reflecting", "solar", "energy", "onto", "square", "boxes", "filled", "with", "ether", ",", "which", "has", "a", "lower", "boiling", "point", "than", "water", ",", "and", "were", "fitted", "internally", "with", "black", "pipes", "which", "in", "turn", "powered", "a", "steam", "engine", ".", "In", "1908", "Shuman", "formed", "the", "Sun", "Power", "Company", "with", "the", "intent", "of", "building", "larger", "solar", "power", "plants", ".", "He", ",", "along", "with", "his", "technical", "advisor", "A.S.E.", "Ackermann", "and", "British", "physicist", "Sir", "Charles", "Vernon", "Boys", ",", "developed", "an", "improved", "system", "using", "mirrors", "to", "reflect", "solar", "energy", "upon", "collector", "boxes", ",", "increasing", "heating", "capacity", "to", "the", "extent", "that", "water", "could", "now", "be", "used", "instead", "of", "ether", ".", "Shuman", "then", "constructed", "a", "full", "-", "scale", "steam", "engine", "powered", "by", "low", "-", "pressure", "water", ",", "enabling", "him", "to", "patent", "the", "entire", "solar", "engine", "system", "by", "1912", "." ], "offsets": [ 0, 3, 7, 9, 15, 21, 23, 25, 30, 38, 40, 49, 53, 59, 66, 74, 80, 82, 88, 102, 108, 115, 120, 127, 130, 141, 147, 154, 159, 166, 172, 179, 184, 189, 191, 197, 201, 203, 209, 217, 223, 228, 233, 235, 239, 244, 251, 262, 267, 273, 279, 285, 288, 293, 301, 303, 309, 315, 317, 320, 325, 332, 339, 343, 347, 353, 361, 366, 370, 377, 380, 389, 396, 402, 408, 414, 416, 418, 420, 426, 431, 435, 445, 453, 460, 470, 474, 482, 492, 496, 504, 511, 515, 517, 527, 530, 539, 546, 552, 560, 563, 571, 577, 584, 589, 599, 604, 606, 617, 625, 634, 637, 641, 648, 653, 659, 665, 669, 672, 677, 685, 688, 693, 695, 702, 707, 719, 721, 725, 726, 732, 738, 745, 753, 756, 759, 760, 769, 774, 776, 785, 789, 792, 799, 803, 810, 816, 823, 830, 833, 837 ] }

{ "tokens": [ "Who", "is", "Frank", "Shuman", "?" ], "offsets": [ 0, 4, 7, 13, 19 ] }

{ "text": [ "a U.S. inventor, engineer and solar energy pioneer" ], "char_spans": [ { "start": [ 23 ], "end": [ 72 ] } ], "token_spans": [ { "start": [ 6 ], "end": [ 14 ] } ] }

[ "a U.S. inventor, engineer and solar energy pioneer" ]

{ "tokens": [ "In", "1897", ",", "Frank", "Shuman", ",", "a", "U.S.", "inventor", ",", "engineer", "and", "solar", "energy", "pioneer", "built", "a", "small", "demonstration", "solar", "engine", "that", "worked", "by", "reflecting", "solar", "energy", "onto", "square", "boxes", "filled", "with", "ether", ",", "which", "has", "a", "lower", "boiling", "point", "than", "water", ",", "and", "were", "fitted", "internally", "with", "black", "pipes", "which", "in", "turn", "powered", "a", "steam", "engine", ".", "In", "1908", "Shuman", "formed", "the", "Sun", "Power", "Company", "with", "the", "intent", "of", "building", "larger", "solar", "power", "plants", ".", "He", ",", "along", "with", "his", "technical", "advisor", "A.S.E.", "Ackermann", "and", "British", "physicist", "Sir", "Charles", "Vernon", "Boys", ",", "developed", "an", "improved", "system", "using", "mirrors", "to", "reflect", "solar", "energy", "upon", "collector", "boxes", ",", "increasing", "heating", "capacity", "to", "the", "extent", "that", "water", "could", "now", "be", "used", "instead", "of", "ether", ".", "Shuman", "then", "constructed", "a", "full", "-", "scale", "steam", "engine", "powered", "by", "low", "-", "pressure", "water", ",", "enabling", "him", "to", "patent", "the", "entire", "solar", "engine", "system", "by", "1912", "." ], "offsets": [ 0, 3, 7, 9, 15, 21, 23, 25, 30, 38, 40, 49, 53, 59, 66, 74, 80, 82, 88, 102, 108, 115, 120, 127, 130, 141, 147, 154, 159, 166, 172, 179, 184, 189, 191, 197, 201, 203, 209, 217, 223, 228, 233, 235, 239, 244, 251, 262, 267, 273, 279, 285, 288, 293, 301, 303, 309, 315, 317, 320, 325, 332, 339, 343, 347, 353, 361, 366, 370, 377, 380, 389, 396, 402, 408, 414, 416, 418, 420, 426, 431, 435, 445, 453, 460, 470, 474, 482, 492, 496, 504, 511, 515, 517, 527, 530, 539, 546, 552, 560, 563, 571, 577, 584, 589, 599, 604, 606, 617, 625, 634, 637, 641, 648, 653, 659, 665, 669, 672, 677, 685, 688, 693, 695, 702, 707, 719, 721, 725, 726, 732, 738, 745, 753, 756, 759, 760, 769, 774, 776, 785, 789, 792, 799, 803, 810, 816, 823, 830, 833, 837 ] }

{ "tokens": [ "In", "what", "year", "did", "solar", "engine", "build", "his", "solar", "engine", "?" ], "offsets": [ 0, 3, 8, 13, 17, 23, 30, 36, 40, 46, 52 ] }

{ "text": [ "1897" ], "char_spans": [ { "start": [ 3 ], "end": [ 6 ] } ], "token_spans": [ { "start": [ 1 ], "end": [ 1 ] } ] }

[ "1897" ]

{ "tokens": [ "In", "1897", ",", "Frank", "Shuman", ",", "a", "U.S.", "inventor", ",", "engineer", "and", "solar", "energy", "pioneer", "built", "a", "small", "demonstration", "solar", "engine", "that", "worked", "by", "reflecting", "solar", "energy", "onto", "square", "boxes", "filled", "with", "ether", ",", "which", "has", "a", "lower", "boiling", "point", "than", "water", ",", "and", "were", "fitted", "internally", "with", "black", "pipes", "which", "in", "turn", "powered", "a", "steam", "engine", ".", "In", "1908", "Shuman", "formed", "the", "Sun", "Power", "Company", "with", "the", "intent", "of", "building", "larger", "solar", "power", "plants", ".", "He", ",", "along", "with", "his", "technical", "advisor", "A.S.E.", "Ackermann", "and", "British", "physicist", "Sir", "Charles", "Vernon", "Boys", ",", "developed", "an", "improved", "system", "using", "mirrors", "to", "reflect", "solar", "energy", "upon", "collector", "boxes", ",", "increasing", "heating", "capacity", "to", "the", "extent", "that", "water", "could", "now", "be", "used", "instead", "of", "ether", ".", "Shuman", "then", "constructed", "a", "full", "-", "scale", "steam", "engine", "powered", "by", "low", "-", "pressure", "water", ",", "enabling", "him", "to", "patent", "the", "entire", "solar", "engine", "system", "by", "1912", "." ], "offsets": [ 0, 3, 7, 9, 15, 21, 23, 25, 30, 38, 40, 49, 53, 59, 66, 74, 80, 82, 88, 102, 108, 115, 120, 127, 130, 141, 147, 154, 159, 166, 172, 179, 184, 189, 191, 197, 201, 203, 209, 217, 223, 228, 233, 235, 239, 244, 251, 262, 267, 273, 279, 285, 288, 293, 301, 303, 309, 315, 317, 320, 325, 332, 339, 343, 347, 353, 361, 366, 370, 377, 380, 389, 396, 402, 408, 414, 416, 418, 420, 426, 431, 435, 445, 453, 460, 470, 474, 482, 492, 496, 504, 511, 515, 517, 527, 530, 539, 546, 552, 560, 563, 571, 577, 584, 589, 599, 604, 606, 617, 625, 634, 637, 641, 648, 653, 659, 665, 669, 672, 677, 685, 688, 693, 695, 702, 707, 719, 721, 725, 726, 732, 738, 745, 753, 756, 759, 760, 769, 774, 776, 785, 789, 792, 799, 803, 810, 816, 823, 830, 833, 837 ] }

{ "tokens": [ "What", "was", "the", "solar", "engine", "used", "to", "power", "?" ], "offsets": [ 0, 5, 9, 13, 19, 26, 31, 34, 39 ] }

{ "text": [ "steam engine" ], "char_spans": [ { "start": [ 303 ], "end": [ 314 ] } ], "token_spans": [ { "start": [ 55 ], "end": [ 56 ] } ] }

[ "steam engine" ]

{ "tokens": [ "In", "1897", ",", "Frank", "Shuman", ",", "a", "U.S.", "inventor", ",", "engineer", "and", "solar", "energy", "pioneer", "built", "a", "small", "demonstration", "solar", "engine", "that", "worked", "by", "reflecting", "solar", "energy", "onto", "square", "boxes", "filled", "with", "ether", ",", "which", "has", "a", "lower", "boiling", "point", "than", "water", ",", "and", "were", "fitted", "internally", "with", "black", "pipes", "which", "in", "turn", "powered", "a", "steam", "engine", ".", "In", "1908", "Shuman", "formed", "the", "Sun", "Power", "Company", "with", "the", "intent", "of", "building", "larger", "solar", "power", "plants", ".", "He", ",", "along", "with", "his", "technical", "advisor", "A.S.E.", "Ackermann", "and", "British", "physicist", "Sir", "Charles", "Vernon", "Boys", ",", "developed", "an", "improved", "system", "using", "mirrors", "to", "reflect", "solar", "energy", "upon", "collector", "boxes", ",", "increasing", "heating", "capacity", "to", "the", "extent", "that", "water", "could", "now", "be", "used", "instead", "of", "ether", ".", "Shuman", "then", "constructed", "a", "full", "-", "scale", "steam", "engine", "powered", "by", "low", "-", "pressure", "water", ",", "enabling", "him", "to", "patent", "the", "entire", "solar", "engine", "system", "by", "1912", "." ], "offsets": [ 0, 3, 7, 9, 15, 21, 23, 25, 30, 38, 40, 49, 53, 59, 66, 74, 80, 82, 88, 102, 108, 115, 120, 127, 130, 141, 147, 154, 159, 166, 172, 179, 184, 189, 191, 197, 201, 203, 209, 217, 223, 228, 233, 235, 239, 244, 251, 262, 267, 273, 279, 285, 288, 293, 301, 303, 309, 315, 317, 320, 325, 332, 339, 343, 347, 353, 361, 366, 370, 377, 380, 389, 396, 402, 408, 414, 416, 418, 420, 426, 431, 435, 445, 453, 460, 470, 474, 482, 492, 496, 504, 511, 515, 517, 527, 530, 539, 546, 552, 560, 563, 571, 577, 584, 589, 599, 604, 606, 617, 625, 634, 637, 641, 648, 653, 659, 665, 669, 672, 677, 685, 688, 693, 695, 702, 707, 719, 721, 725, 726, 732, 738, 745, 753, 756, 759, 760, 769, 774, 776, 785, 789, 792, 799, 803, 810, 816, 823, 830, 833, 837 ] }

{ "tokens": [ "In", "what", "year", "was", "the", "Sun", "Power", "Company", "established", "?" ], "offsets": [ 0, 3, 8, 13, 17, 21, 25, 31, 39, 50 ] }

{ "text": [ "1908" ], "char_spans": [ { "start": [ 320 ], "end": [ 323 ] } ], "token_spans": [ { "start": [ 59 ], "end": [ 59 ] } ] }

[ "1908" ]

{ "tokens": [ "In", "1897", ",", "Frank", "Shuman", ",", "a", "U.S.", "inventor", ",", "engineer", "and", "solar", "energy", "pioneer", "built", "a", "small", "demonstration", "solar", "engine", "that", "worked", "by", "reflecting", "solar", "energy", "onto", "square", "boxes", "filled", "with", "ether", ",", "which", "has", "a", "lower", "boiling", "point", "than", "water", ",", "and", "were", "fitted", "internally", "with", "black", "pipes", "which", "in", "turn", "powered", "a", "steam", "engine", ".", "In", "1908", "Shuman", "formed", "the", "Sun", "Power", "Company", "with", "the", "intent", "of", "building", "larger", "solar", "power", "plants", ".", "He", ",", "along", "with", "his", "technical", "advisor", "A.S.E.", "Ackermann", "and", "British", "physicist", "Sir", "Charles", "Vernon", "Boys", ",", "developed", "an", "improved", "system", "using", "mirrors", "to", "reflect", "solar", "energy", "upon", "collector", "boxes", ",", "increasing", "heating", "capacity", "to", "the", "extent", "that", "water", "could", "now", "be", "used", "instead", "of", "ether", ".", "Shuman", "then", "constructed", "a", "full", "-", "scale", "steam", "engine", "powered", "by", "low", "-", "pressure", "water", ",", "enabling", "him", "to", "patent", "the", "entire", "solar", "engine", "system", "by", "1912", "." ], "offsets": [ 0, 3, 7, 9, 15, 21, 23, 25, 30, 38, 40, 49, 53, 59, 66, 74, 80, 82, 88, 102, 108, 115, 120, 127, 130, 141, 147, 154, 159, 166, 172, 179, 184, 189, 191, 197, 201, 203, 209, 217, 223, 228, 233, 235, 239, 244, 251, 262, 267, 273, 279, 285, 288, 293, 301, 303, 309, 315, 317, 320, 325, 332, 339, 343, 347, 353, 361, 366, 370, 377, 380, 389, 396, 402, 408, 414, 416, 418, 420, 426, 431, 435, 445, 453, 460, 470, 474, 482, 492, 496, 504, 511, 515, 517, 527, 530, 539, 546, 552, 560, 563, 571, 577, 584, 589, 599, 604, 606, 617, 625, 634, 637, 641, 648, 653, 659, 665, 669, 672, 677, 685, 688, 693, 695, 702, 707, 719, 721, 725, 726, 732, 738, 745, 753, 756, 759, 760, 769, 774, 776, 785, 789, 792, 799, 803, 810, 816, 823, 830, 833, 837 ] }

{ "tokens": [ "In", "what", "year", "did", "Frank", "Shuman", "patent", "his", "solar", "engine", "?" ], "offsets": [ 0, 3, 8, 13, 17, 23, 30, 37, 41, 47, 53 ] }

{ "text": [ "1912" ], "char_spans": [ { "start": [ 833 ], "end": [ 836 ] } ], "token_spans": [ { "start": [ 149 ], "end": [ 149 ] } ] }

[ "1912" ]

{ "tokens": [ "The", "total", "solar", "energy", "absorbed", "by", "Earth", "'s", "atmosphere", ",", "oceans", "and", "land", "masses", "is", "approximately", "3,850,000", "exajoules", "(", "EJ", ")", "per", "year", ".", "In", "2002", ",", "this", "was", "more", "energy", "in", "one", "hour", "than", "the", "world", "used", "in", "one", "year", ".", "Photosynthesis", "captures", "approximately", "3,000", "EJ", "per", "year", "in", "biomass", ".", "The", "amount", "of", "solar", "energy", "reaching", "the", "surface", "of", "the", "planet", "is", "so", "vast", "that", "in", "one", "year", "it", "is", "about", "twice", "as", "much", "as", "will", "ever", "be", "obtained", "from", "all", "of", "the", "Earth", "'s", "non", "-", "renewable", "resources", "of", "coal", ",", "oil", ",", "natural", "gas", ",", "and", "mined", "uranium", "combined", "," ], "offsets": [ 0, 4, 10, 16, 23, 32, 35, 40, 43, 53, 55, 62, 66, 71, 78, 81, 95, 105, 115, 116, 118, 120, 124, 128, 130, 133, 137, 139, 144, 148, 153, 160, 163, 167, 172, 177, 181, 187, 192, 195, 199, 203, 205, 220, 229, 243, 249, 252, 256, 261, 264, 271, 273, 277, 284, 287, 293, 300, 309, 313, 321, 324, 328, 335, 338, 341, 346, 351, 354, 358, 363, 366, 369, 375, 381, 384, 389, 392, 397, 402, 405, 414, 419, 423, 426, 430, 435, 438, 441, 442, 452, 462, 465, 469, 471, 474, 476, 484, 487, 489, 493, 499, 507, 515 ] }

{ "tokens": [ "Each", "year", "the", "Earth", "absorbs", "how", "much", "solar", "energy", "in", "exajoules", "?" ], "offsets": [ 0, 5, 10, 14, 20, 28, 32, 37, 43, 50, 53, 62 ] }

{ "text": [ "3,850,000" ], "char_spans": [ { "start": [ 95 ], "end": [ 103 ] } ], "token_spans": [ { "start": [ 16 ], "end": [ 16 ] } ] }

[ "3,850,000" ]

{ "tokens": [ "The", "total", "solar", "energy", "absorbed", "by", "Earth", "'s", "atmosphere", ",", "oceans", "and", "land", "masses", "is", "approximately", "3,850,000", "exajoules", "(", "EJ", ")", "per", "year", ".", "In", "2002", ",", "this", "was", "more", "energy", "in", "one", "hour", "than", "the", "world", "used", "in", "one", "year", ".", "Photosynthesis", "captures", "approximately", "3,000", "EJ", "per", "year", "in", "biomass", ".", "The", "amount", "of", "solar", "energy", "reaching", "the", "surface", "of", "the", "planet", "is", "so", "vast", "that", "in", "one", "year", "it", "is", "about", "twice", "as", "much", "as", "will", "ever", "be", "obtained", "from", "all", "of", "the", "Earth", "'s", "non", "-", "renewable", "resources", "of", "coal", ",", "oil", ",", "natural", "gas", ",", "and", "mined", "uranium", "combined", "," ], "offsets": [ 0, 4, 10, 16, 23, 32, 35, 40, 43, 53, 55, 62, 66, 71, 78, 81, 95, 105, 115, 116, 118, 120, 124, 128, 130, 133, 137, 139, 144, 148, 153, 160, 163, 167, 172, 177, 181, 187, 192, 195, 199, 203, 205, 220, 229, 243, 249, 252, 256, 261, 264, 271, 273, 277, 284, 287, 293, 300, 309, 313, 321, 324, 328, 335, 338, 341, 346, 351, 354, 358, 363, 366, 369, 375, 381, 384, 389, 392, 397, 402, 405, 414, 419, 423, 426, 430, 435, 438, 441, 442, 452, 462, 465, 469, 471, 474, 476, 484, 487, 489, 493, 499, 507, 515 ] }

{ "tokens": [ "In", "2002", ",", "the", "Sun", "provided", "more", "energy", "in", "one", "hour", "than", "humans", "used", "in", "what", "span", "of", "time", "?" ], "offsets": [ 0, 3, 7, 9, 13, 17, 26, 31, 38, 41, 45, 50, 55, 62, 67, 70, 75, 80, 83, 87 ] }

{ "text": [ "one year" ], "char_spans": [ { "start": [ 195 ], "end": [ 202 ] } ], "token_spans": [ { "start": [ 39 ], "end": [ 40 ] } ] }

[ "one year" ]

{ "tokens": [ "The", "total", "solar", "energy", "absorbed", "by", "Earth", "'s", "atmosphere", ",", "oceans", "and", "land", "masses", "is", "approximately", "3,850,000", "exajoules", "(", "EJ", ")", "per", "year", ".", "In", "2002", ",", "this", "was", "more", "energy", "in", "one", "hour", "than", "the", "world", "used", "in", "one", "year", ".", "Photosynthesis", "captures", "approximately", "3,000", "EJ", "per", "year", "in", "biomass", ".", "The", "amount", "of", "solar", "energy", "reaching", "the", "surface", "of", "the", "planet", "is", "so", "vast", "that", "in", "one", "year", "it", "is", "about", "twice", "as", "much", "as", "will", "ever", "be", "obtained", "from", "all", "of", "the", "Earth", "'s", "non", "-", "renewable", "resources", "of", "coal", ",", "oil", ",", "natural", "gas", ",", "and", "mined", "uranium", "combined", "," ], "offsets": [ 0, 4, 10, 16, 23, 32, 35, 40, 43, 53, 55, 62, 66, 71, 78, 81, 95, 105, 115, 116, 118, 120, 124, 128, 130, 133, 137, 139, 144, 148, 153, 160, 163, 167, 172, 177, 181, 187, 192, 195, 199, 203, 205, 220, 229, 243, 249, 252, 256, 261, 264, 271, 273, 277, 284, 287, 293, 300, 309, 313, 321, 324, 328, 335, 338, 341, 346, 351, 354, 358, 363, 366, 369, 375, 381, 384, 389, 392, 397, 402, 405, 414, 419, 423, 426, 430, 435, 438, 441, 442, 452, 462, 465, 469, 471, 474, 476, 484, 487, 489, 493, 499, 507, 515 ] }

{ "tokens": [ "How", "much", "energy", "in", "exajoules", "does", "photosynthesis", "capture", "each", "year", "?" ], "offsets": [ 0, 4, 9, 16, 19, 29, 34, 49, 57, 62, 66 ] }

{ "text": [ "3,000" ], "char_spans": [ { "start": [ 243 ], "end": [ 247 ] } ], "token_spans": [ { "start": [ 45 ], "end": [ 45 ] } ] }

[ "3,000" ]

{ "tokens": [ "The", "total", "solar", "energy", "absorbed", "by", "Earth", "'s", "atmosphere", ",", "oceans", "and", "land", "masses", "is", "approximately", "3,850,000", "exajoules", "(", "EJ", ")", "per", "year", ".", "In", "2002", ",", "this", "was", "more", "energy", "in", "one", "hour", "than", "the", "world", "used", "in", "one", "year", ".", "Photosynthesis", "captures", "approximately", "3,000", "EJ", "per", "year", "in", "biomass", ".", "The", "amount", "of", "solar", "energy", "reaching", "the", "surface", "of", "the", "planet", "is", "so", "vast", "that", "in", "one", "year", "it", "is", "about", "twice", "as", "much", "as", "will", "ever", "be", "obtained", "from", "all", "of", "the", "Earth", "'s", "non", "-", "renewable", "resources", "of", "coal", ",", "oil", ",", "natural", "gas", ",", "and", "mined", "uranium", "combined", "," ], "offsets": [ 0, 4, 10, 16, 23, 32, 35, 40, 43, 53, 55, 62, 66, 71, 78, 81, 95, 105, 115, 116, 118, 120, 124, 128, 130, 133, 137, 139, 144, 148, 153, 160, 163, 167, 172, 177, 181, 187, 192, 195, 199, 203, 205, 220, 229, 243, 249, 252, 256, 261, 264, 271, 273, 277, 284, 287, 293, 300, 309, 313, 321, 324, 328, 335, 338, 341, 346, 351, 354, 358, 363, 366, 369, 375, 381, 384, 389, 392, 397, 402, 405, 414, 419, 423, 426, 430, 435, 438, 441, 442, 452, 462, 465, 469, 471, 474, 476, 484, 487, 489, 493, 499, 507, 515 ] }

{ "tokens": [ "Twice", "the", "amount", "of", "energy", "obtainable", "by", "all", "the", "non", "-", "renewable", "sources", " ", "on", "Earth", "can", "be", "provided", "by", "the", "Sun", "in", "what", "span", "of", "time", "?" ], "offsets": [ 0, 6, 10, 17, 20, 27, 38, 41, 45, 49, 52, 53, 63, 71, 72, 75, 81, 85, 88, 97, 100, 104, 108, 111, 116, 121, 124, 128 ] }

{ "text": [ "one year" ], "char_spans": [ { "start": [ 195 ], "end": [ 202 ] } ], "token_spans": [ { "start": [ 39 ], "end": [ 40 ] } ] }

[ "one year" ]

{ "tokens": [ "The", "total", "solar", "energy", "absorbed", "by", "Earth", "'s", "atmosphere", ",", "oceans", "and", "land", "masses", "is", "approximately", "3,850,000", "exajoules", "(", "EJ", ")", "per", "year", ".", "In", "2002", ",", "this", "was", "more", "energy", "in", "one", "hour", "than", "the", "world", "used", "in", "one", "year", ".", "Photosynthesis", "captures", "approximately", "3,000", "EJ", "per", "year", "in", "biomass", ".", "The", "amount", "of", "solar", "energy", "reaching", "the", "surface", "of", "the", "planet", "is", "so", "vast", "that", "in", "one", "year", "it", "is", "about", "twice", "as", "much", "as", "will", "ever", "be", "obtained", "from", "all", "of", "the", "Earth", "'s", "non", "-", "renewable", "resources", "of", "coal", ",", "oil", ",", "natural", "gas", ",", "and", "mined", "uranium", "combined", "," ], "offsets": [ 0, 4, 10, 16, 23, 32, 35, 40, 43, 53, 55, 62, 66, 71, 78, 81, 95, 105, 115, 116, 118, 120, 124, 128, 130, 133, 137, 139, 144, 148, 153, 160, 163, 167, 172, 177, 181, 187, 192, 195, 199, 203, 205, 220, 229, 243, 249, 252, 256, 261, 264, 271, 273, 277, 284, 287, 293, 300, 309, 313, 321, 324, 328, 335, 338, 341, 346, 351, 354, 358, 363, 366, 369, 375, 381, 384, 389, 392, 397, 402, 405, 414, 419, 423, 426, 430, 435, 438, 441, 442, 452, 462, 465, 469, 471, 474, 476, 484, 487, 489, 493, 499, 507, 515 ] }

{ "tokens": [ "What", "is", "the", "amount", "of", "solar", "energy", "absorbed", "by", "the", "earth", "?" ], "offsets": [ 0, 5, 8, 12, 19, 22, 28, 35, 44, 47, 51, 56 ] }

{ "text": [ "approximately 3,850,000 exajoules (EJ) per year" ], "char_spans": [ { "start": [ 81 ], "end": [ 127 ] } ], "token_spans": [ { "start": [ 15 ], "end": [ 22 ] } ] }

[ "approximately 3,850,000 exajoules (EJ) per year" ]

{ "tokens": [ "The", "total", "solar", "energy", "absorbed", "by", "Earth", "'s", "atmosphere", ",", "oceans", "and", "land", "masses", "is", "approximately", "3,850,000", "exajoules", "(", "EJ", ")", "per", "year", ".", "In", "2002", ",", "this", "was", "more", "energy", "in", "one", "hour", "than", "the", "world", "used", "in", "one", "year", ".", "Photosynthesis", "captures", "approximately", "3,000", "EJ", "per", "year", "in", "biomass", ".", "The", "amount", "of", "solar", "energy", "reaching", "the", "surface", "of", "the", "planet", "is", "so", "vast", "that", "in", "one", "year", "it", "is", "about", "twice", "as", "much", "as", "will", "ever", "be", "obtained", "from", "all", "of", "the", "Earth", "'s", "non", "-", "renewable", "resources", "of", "coal", ",", "oil", ",", "natural", "gas", ",", "and", "mined", "uranium", "combined", "," ], "offsets": [ 0, 4, 10, 16, 23, 32, 35, 40, 43, 53, 55, 62, 66, 71, 78, 81, 95, 105, 115, 116, 118, 120, 124, 128, 130, 133, 137, 139, 144, 148, 153, 160, 163, 167, 172, 177, 181, 187, 192, 195, 199, 203, 205, 220, 229, 243, 249, 252, 256, 261, 264, 271, 273, 277, 284, 287, 293, 300, 309, 313, 321, 324, 328, 335, 338, 341, 346, 351, 354, 358, 363, 366, 369, 375, 381, 384, 389, 392, 397, 402, 405, 414, 419, 423, 426, 430, 435, 438, 441, 442, 452, 462, 465, 469, 471, 474, 476, 484, 487, 489, 493, 499, 507, 515 ] }

{ "tokens": [ "How", "much", "solar", "energy", "is", "captured", "by", "photosynthesis", "?" ], "offsets": [ 0, 4, 9, 15, 22, 25, 34, 37, 51 ] }

{ "text": [ "approximately 3,000 EJ per year" ], "char_spans": [ { "start": [ 229 ], "end": [ 259 ] } ], "token_spans": [ { "start": [ 44 ], "end": [ 48 ] } ] }

[ "approximately 3,000 EJ per year" ]

{ "tokens": [ "The", "total", "solar", "energy", "absorbed", "by", "Earth", "'s", "atmosphere", ",", "oceans", "and", "land", "masses", "is", "approximately", "3,850,000", "exajoules", "(", "EJ", ")", "per", "year", ".", "In", "2002", ",", "this", "was", "more", "energy", "in", "one", "hour", "than", "the", "world", "used", "in", "one", "year", ".", "Photosynthesis", "captures", "approximately", "3,000", "EJ", "per", "year", "in", "biomass", ".", "The", "amount", "of", "solar", "energy", "reaching", "the", "surface", "of", "the", "planet", "is", "so", "vast", "that", "in", "one", "year", "it", "is", "about", "twice", "as", "much", "as", "will", "ever", "be", "obtained", "from", "all", "of", "the", "Earth", "'s", "non", "-", "renewable", "resources", "of", "coal", ",", "oil", ",", "natural", "gas", ",", "and", "mined", "uranium", "combined", "," ], "offsets": [ 0, 4, 10, 16, 23, 32, 35, 40, 43, 53, 55, 62, 66, 71, 78, 81, 95, 105, 115, 116, 118, 120, 124, 128, 130, 133, 137, 139, 144, 148, 153, 160, 163, 167, 172, 177, 181, 187, 192, 195, 199, 203, 205, 220, 229, 243, 249, 252, 256, 261, 264, 271, 273, 277, 284, 287, 293, 300, 309, 313, 321, 324, 328, 335, 338, 341, 346, 351, 354, 358, 363, 366, 369, 375, 381, 384, 389, 392, 397, 402, 405, 414, 419, 423, 426, 430, 435, 438, 441, 442, 452, 462, 465, 469, 471, 474, 476, 484, 487, 489, 493, 499, 507, 515 ] }

{ "tokens": [ "The", "amount", "of", "solar", "energy", "per", "year", "is", "twice", "as", "much", "as", "the", "energy", "that", "will", "ever", "be", "produced", "from", "what", "resources", "?" ], "offsets": [ 0, 4, 11, 14, 20, 27, 31, 36, 39, 45, 48, 53, 56, 60, 67, 72, 77, 82, 85, 94, 99, 104, 113 ] }

{ "text": [ "coal, oil, natural gas, and mined uranium combined" ], "char_spans": [ { "start": [ 465 ], "end": [ 514 ] } ], "token_spans": [ { "start": [ 92 ], "end": [ 102 ] } ] }

[ "coal, oil, natural gas, and mined uranium combined" ]

{ "tokens": [ "An", "earlier", "draft", "of", "To", "Kill", "a", "Mockingbird", ",", "titled", "Go", "Set", "a", "Watchman", ",", "was", "controversially", "released", "on", "July", "14", ",", "2015", ".", "This", "draft", ",", "which", "was", "completed", "in", "1957", ",", "is", "set", "20", "years", "after", "the", "time", "period", "depicted", "in", "To", "Kill", "a", "Mockingbird", "but", "is", "not", "a", "continuation", "of", "the", "narrative", ".", "This", "earlier", "version", "of", "the", "story", "follows", "an", "adult", "Scout", "Finch", "who", "travels", "from", "New", "York", "to", "visit", "her", "father", ",", "Atticus", "Finch", ",", "in", "Maycomb", ",", "Alabama", ",", "where", "she", "is", "confronted", "by", "the", "intolerance", "in", "her", "community", ".", "The", "Watchman", "manuscript", "was", "believed", "to", "have", "been", "lost", "until", "Lee", "'s", "lawyer", "Tonja", "Carter", "discovered", "it", ";", "although", "this", "claim", "has", "been", "widely", "disputed", ".", "Watchman", "contains", "early", "versions", "of", "many", "of", "the", "characters", "from", "To", "Kill", "a", "Mockingbird", ".", "According", "to", "Lee", "'s", "agent", "Andrew", "Nurnberg", ",", "Mockingbird", "was", "originally", "intended", "to", "be", "the", "first", "book", "of", "a", "trilogy", ":", "\"", "They", "discussed", "publishing", "Mockingbird", "first", ",", "Watchman", "last", ",", "and", "a", "shorter", "connecting", "novel", "between", "the", "two", ".", "\"", "This", "assertion", "has", "been", "discredited", "however", "by", "the", "rare", "books", "expert", "James", "S.", "Jaffe", ",", "who", "reviewed", "the", "pages", "at", "the", "request", "of", "Lee", "'s", "attorney", "and", "found", "them", "to", "be", "only", "another", "draft", "of", "\"", "To", "Kill", "a", "Mockingbird", "\"", ".", "The", "statement", "was", "also", "contrary", "to", "Jonathan", "Mahler", "'s", "description", "of", "how", "\"", "Watchman", "\"", "was", "seen", "as", "just", "the", "first", "draft", "of", "\"", "Mockingbird", "\"", ".", "Instances", "where", "many", "passages", "overlap", "between", "the", "two", "books", ",", "in", "some", "case", "word", "for", "word", ",", "also", "refutes", "this", "assertion", "." ], "offsets": [ 0, 3, 11, 17, 20, 23, 28, 30, 41, 43, 50, 53, 57, 59, 67, 69, 73, 89, 98, 101, 106, 108, 110, 114, 116, 121, 126, 128, 134, 138, 148, 151, 155, 157, 160, 164, 167, 173, 179, 183, 188, 195, 204, 207, 210, 215, 217, 229, 233, 236, 240, 242, 255, 258, 262, 271, 273, 278, 286, 294, 297, 301, 307, 315, 318, 324, 330, 336, 340, 348, 353, 357, 362, 365, 371, 375, 381, 383, 391, 396, 398, 401, 408, 410, 417, 419, 425, 429, 432, 443, 446, 450, 462, 465, 469, 478, 480, 484, 493, 504, 508, 517, 520, 525, 530, 535, 541, 544, 547, 554, 560, 567, 578, 580, 582, 591, 596, 602, 606, 611, 618, 626, 628, 637, 646, 652, 661, 664, 669, 672, 676, 687, 692, 695, 700, 702, 713, 715, 725, 728, 731, 734, 740, 747, 755, 757, 769, 773, 784, 793, 796, 799, 803, 809, 814, 817, 819, 826, 828, 829, 834, 844, 855, 867, 872, 874, 883, 887, 889, 893, 895, 903, 914, 920, 928, 932, 935, 936, 938, 943, 953, 957, 962, 974, 982, 985, 989, 994, 1000, 1007, 1013, 1016, 1021, 1023, 1027, 1036, 1040, 1046, 1049, 1053, 1061, 1064, 1067, 1070, 1079, 1083, 1089, 1094, 1097, 1100, 1105, 1113, 1119, 1122, 1123, 1126, 1131, 1133, 1144, 1145, 1147, 1151, 1161, 1165, 1170, 1179, 1182, 1191, 1197, 1200, 1212, 1215, 1219, 1220, 1228, 1230, 1234, 1239, 1242, 1247, 1251, 1257, 1263, 1266, 1267, 1278, 1279, 1281, 1291, 1297, 1302, 1311, 1319, 1327, 1331, 1335, 1340, 1342, 1345, 1350, 1355, 1360, 1364, 1368, 1370, 1375, 1383, 1388, 1397 ] }

{ "tokens": [ "When", "was", "Go", "Set", "a", "Watchman", "introduced", "to", "the", "public", "?" ], "offsets": [ 0, 5, 9, 12, 16, 18, 27, 38, 41, 45, 51 ] }

{ "text": [ "July 14, 2015" ], "char_spans": [ { "start": [ 101 ], "end": [ 113 ] } ], "token_spans": [ { "start": [ 19 ], "end": [ 22 ] } ] }

[ "July 14, 2015" ]

{ "tokens": [ "An", "earlier", "draft", "of", "To", "Kill", "a", "Mockingbird", ",", "titled", "Go", "Set", "a", "Watchman", ",", "was", "controversially", "released", "on", "July", "14", ",", "2015", ".", "This", "draft", ",", "which", "was", "completed", "in", "1957", ",", "is", "set", "20", "years", "after", "the", "time", "period", "depicted", "in", "To", "Kill", "a", "Mockingbird", "but", "is", "not", "a", "continuation", "of", "the", "narrative", ".", "This", "earlier", "version", "of", "the", "story", "follows", "an", "adult", "Scout", "Finch", "who", "travels", "from", "New", "York", "to", "visit", "her", "father", ",", "Atticus", "Finch", ",", "in", "Maycomb", ",", "Alabama", ",", "where", "she", "is", "confronted", "by", "the", "intolerance", "in", "her", "community", ".", "The", "Watchman", "manuscript", "was", "believed", "to", "have", "been", "lost", "until", "Lee", "'s", "lawyer", "Tonja", "Carter", "discovered", "it", ";", "although", "this", "claim", "has", "been", "widely", "disputed", ".", "Watchman", "contains", "early", "versions", "of", "many", "of", "the", "characters", "from", "To", "Kill", "a", "Mockingbird", ".", "According", "to", "Lee", "'s", "agent", "Andrew", "Nurnberg", ",", "Mockingbird", "was", "originally", "intended", "to", "be", "the", "first", "book", "of", "a", "trilogy", ":", "\"", "They", "discussed", "publishing", "Mockingbird", "first", ",", "Watchman", "last", ",", "and", "a", "shorter", "connecting", "novel", "between", "the", "two", ".", "\"", "This", "assertion", "has", "been", "discredited", "however", "by", "the", "rare", "books", "expert", "James", "S.", "Jaffe", ",", "who", "reviewed", "the", "pages", "at", "the", "request", "of", "Lee", "'s", "attorney", "and", "found", "them", "to", "be", "only", "another", "draft", "of", "\"", "To", "Kill", "a", "Mockingbird", "\"", ".", "The", "statement", "was", "also", "contrary", "to", "Jonathan", "Mahler", "'s", "description", "of", "how", "\"", "Watchman", "\"", "was", "seen", "as", "just", "the", "first", "draft", "of", "\"", "Mockingbird", "\"", ".", "Instances", "where", "many", "passages", "overlap", "between", "the", "two", "books", ",", "in", "some", "case", "word", "for", "word", ",", "also", "refutes", "this", "assertion", "." ], "offsets": [ 0, 3, 11, 17, 20, 23, 28, 30, 41, 43, 50, 53, 57, 59, 67, 69, 73, 89, 98, 101, 106, 108, 110, 114, 116, 121, 126, 128, 134, 138, 148, 151, 155, 157, 160, 164, 167, 173, 179, 183, 188, 195, 204, 207, 210, 215, 217, 229, 233, 236, 240, 242, 255, 258, 262, 271, 273, 278, 286, 294, 297, 301, 307, 315, 318, 324, 330, 336, 340, 348, 353, 357, 362, 365, 371, 375, 381, 383, 391, 396, 398, 401, 408, 410, 417, 419, 425, 429, 432, 443, 446, 450, 462, 465, 469, 478, 480, 484, 493, 504, 508, 517, 520, 525, 530, 535, 541, 544, 547, 554, 560, 567, 578, 580, 582, 591, 596, 602, 606, 611, 618, 626, 628, 637, 646, 652, 661, 664, 669, 672, 676, 687, 692, 695, 700, 702, 713, 715, 725, 728, 731, 734, 740, 747, 755, 757, 769, 773, 784, 793, 796, 799, 803, 809, 814, 817, 819, 826, 828, 829, 834, 844, 855, 867, 872, 874, 883, 887, 889, 893, 895, 903, 914, 920, 928, 932, 935, 936, 938, 943, 953, 957, 962, 974, 982, 985, 989, 994, 1000, 1007, 1013, 1016, 1021, 1023, 1027, 1036, 1040, 1046, 1049, 1053, 1061, 1064, 1067, 1070, 1079, 1083, 1089, 1094, 1097, 1100, 1105, 1113, 1119, 1122, 1123, 1126, 1131, 1133, 1144, 1145, 1147, 1151, 1161, 1165, 1170, 1179, 1182, 1191, 1197, 1200, 1212, 1215, 1219, 1220, 1228, 1230, 1234, 1239, 1242, 1247, 1251, 1257, 1263, 1266, 1267, 1278, 1279, 1281, 1291, 1297, 1302, 1311, 1319, 1327, 1331, 1335, 1340, 1342, 1345, 1350, 1355, 1360, 1364, 1368, 1370, 1375, 1383, 1388, 1397 ] }

{ "tokens": [ "Go", "Set", "a", "Watchman", "was", "finished", "in", "what", "year", "?" ], "offsets": [ 0, 3, 7, 9, 18, 22, 31, 34, 39, 43 ] }

{ "text": [ "1957" ], "char_spans": [ { "start": [ 151 ], "end": [ 154 ] } ], "token_spans": [ { "start": [ 31 ], "end": [ 31 ] } ] }

[ "1957" ]

{ "tokens": [ "An", "earlier", "draft", "of", "To", "Kill", "a", "Mockingbird", ",", "titled", "Go", "Set", "a", "Watchman", ",", "was", "controversially", "released", "on", "July", "14", ",", "2015", ".", "This", "draft", ",", "which", "was", "completed", "in", "1957", ",", "is", "set", "20", "years", "after", "the", "time", "period", "depicted", "in", "To", "Kill", "a", "Mockingbird", "but", "is", "not", "a", "continuation", "of", "the", "narrative", ".", "This", "earlier", "version", "of", "the", "story", "follows", "an", "adult", "Scout", "Finch", "who", "travels", "from", "New", "York", "to", "visit", "her", "father", ",", "Atticus", "Finch", ",", "in", "Maycomb", ",", "Alabama", ",", "where", "she", "is", "confronted", "by", "the", "intolerance", "in", "her", "community", ".", "The", "Watchman", "manuscript", "was", "believed", "to", "have", "been", "lost", "until", "Lee", "'s", "lawyer", "Tonja", "Carter", "discovered", "it", ";", "although", "this", "claim", "has", "been", "widely", "disputed", ".", "Watchman", "contains", "early", "versions", "of", "many", "of", "the", "characters", "from", "To", "Kill", "a", "Mockingbird", ".", "According", "to", "Lee", "'s", "agent", "Andrew", "Nurnberg", ",", "Mockingbird", "was", "originally", "intended", "to", "be", "the", "first", "book", "of", "a", "trilogy", ":", "\"", "They", "discussed", "publishing", "Mockingbird", "first", ",", "Watchman", "last", ",", "and", "a", "shorter", "connecting", "novel", "between", "the", "two", ".", "\"", "This", "assertion", "has", "been", "discredited", "however", "by", "the", "rare", "books", "expert", "James", "S.", "Jaffe", ",", "who", "reviewed", "the", "pages", "at", "the", "request", "of", "Lee", "'s", "attorney", "and", "found", "them", "to", "be", "only", "another", "draft", "of", "\"", "To", "Kill", "a", "Mockingbird", "\"", ".", "The", "statement", "was", "also", "contrary", "to", "Jonathan", "Mahler", "'s", "description", "of", "how", "\"", "Watchman", "\"", "was", "seen", "as", "just", "the", "first", "draft", "of", "\"", "Mockingbird", "\"", ".", "Instances", "where", "many", "passages", "overlap", "between", "the", "two", "books", ",", "in", "some", "case", "word", "for", "word", ",", "also", "refutes", "this", "assertion", "." ], "offsets": [ 0, 3, 11, 17, 20, 23, 28, 30, 41, 43, 50, 53, 57, 59, 67, 69, 73, 89, 98, 101, 106, 108, 110, 114, 116, 121, 126, 128, 134, 138, 148, 151, 155, 157, 160, 164, 167, 173, 179, 183, 188, 195, 204, 207, 210, 215, 217, 229, 233, 236, 240, 242, 255, 258, 262, 271, 273, 278, 286, 294, 297, 301, 307, 315, 318, 324, 330, 336, 340, 348, 353, 357, 362, 365, 371, 375, 381, 383, 391, 396, 398, 401, 408, 410, 417, 419, 425, 429, 432, 443, 446, 450, 462, 465, 469, 478, 480, 484, 493, 504, 508, 517, 520, 525, 530, 535, 541, 544, 547, 554, 560, 567, 578, 580, 582, 591, 596, 602, 606, 611, 618, 626, 628, 637, 646, 652, 661, 664, 669, 672, 676, 687, 692, 695, 700, 702, 713, 715, 725, 728, 731, 734, 740, 747, 755, 757, 769, 773, 784, 793, 796, 799, 803, 809, 814, 817, 819, 826, 828, 829, 834, 844, 855, 867, 872, 874, 883, 887, 889, 893, 895, 903, 914, 920, 928, 932, 935, 936, 938, 943, 953, 957, 962, 974, 982, 985, 989, 994, 1000, 1007, 1013, 1016, 1021, 1023, 1027, 1036, 1040, 1046, 1049, 1053, 1061, 1064, 1067, 1070, 1079, 1083, 1089, 1094, 1097, 1100, 1105, 1113, 1119, 1122, 1123, 1126, 1131, 1133, 1144, 1145, 1147, 1151, 1161, 1165, 1170, 1179, 1182, 1191, 1197, 1200, 1212, 1215, 1219, 1220, 1228, 1230, 1234, 1239, 1242, 1247, 1251, 1257, 1263, 1266, 1267, 1278, 1279, 1281, 1291, 1297, 1302, 1311, 1319, 1327, 1331, 1335, 1340, 1342, 1345, 1350, 1355, 1360, 1364, 1368, 1370, 1375, 1383, 1388, 1397 ] }

{ "tokens": [ "Who", "was", "Harper", "Lee", "'s", "lawyer", "?" ], "offsets": [ 0, 4, 8, 15, 18, 21, 27 ] }

{ "text": [ "Tonja Carter" ], "char_spans": [ { "start": [ 554 ], "end": [ 565 ] } ], "token_spans": [ { "start": [ 109 ], "end": [ 110 ] } ] }

[ "Tonja Carter" ]

{ "tokens": [ "An", "earlier", "draft", "of", "To", "Kill", "a", "Mockingbird", ",", "titled", "Go", "Set", "a", "Watchman", ",", "was", "controversially", "released", "on", "July", "14", ",", "2015", ".", "This", "draft", ",", "which", "was", "completed", "in", "1957", ",", "is", "set", "20", "years", "after", "the", "time", "period", "depicted", "in", "To", "Kill", "a", "Mockingbird", "but", "is", "not", "a", "continuation", "of", "the", "narrative", ".", "This", "earlier", "version", "of", "the", "story", "follows", "an", "adult", "Scout", "Finch", "who", "travels", "from", "New", "York", "to", "visit", "her", "father", ",", "Atticus", "Finch", ",", "in", "Maycomb", ",", "Alabama", ",", "where", "she", "is", "confronted", "by", "the", "intolerance", "in", "her", "community", ".", "The", "Watchman", "manuscript", "was", "believed", "to", "have", "been", "lost", "until", "Lee", "'s", "lawyer", "Tonja", "Carter", "discovered", "it", ";", "although", "this", "claim", "has", "been", "widely", "disputed", ".", "Watchman", "contains", "early", "versions", "of", "many", "of", "the", "characters", "from", "To", "Kill", "a", "Mockingbird", ".", "According", "to", "Lee", "'s", "agent", "Andrew", "Nurnberg", ",", "Mockingbird", "was", "originally", "intended", "to", "be", "the", "first", "book", "of", "a", "trilogy", ":", "\"", "They", "discussed", "publishing", "Mockingbird", "first", ",", "Watchman", "last", ",", "and", "a", "shorter", "connecting", "novel", "between", "the", "two", ".", "\"", "This", "assertion", "has", "been", "discredited", "however", "by", "the", "rare", "books", "expert", "James", "S.", "Jaffe", ",", "who", "reviewed", "the", "pages", "at", "the", "request", "of", "Lee", "'s", "attorney", "and", "found", "them", "to", "be", "only", "another", "draft", "of", "\"", "To", "Kill", "a", "Mockingbird", "\"", ".", "The", "statement", "was", "also", "contrary", "to", "Jonathan", "Mahler", "'s", "description", "of", "how", "\"", "Watchman", "\"", "was", "seen", "as", "just", "the", "first", "draft", "of", "\"", "Mockingbird", "\"", ".", "Instances", "where", "many", "passages", "overlap", "between", "the", "two", "books", ",", "in", "some", "case", "word", "for", "word", ",", "also", "refutes", "this", "assertion", "." ], "offsets": [ 0, 3, 11, 17, 20, 23, 28, 30, 41, 43, 50, 53, 57, 59, 67, 69, 73, 89, 98, 101, 106, 108, 110, 114, 116, 121, 126, 128, 134, 138, 148, 151, 155, 157, 160, 164, 167, 173, 179, 183, 188, 195, 204, 207, 210, 215, 217, 229, 233, 236, 240, 242, 255, 258, 262, 271, 273, 278, 286, 294, 297, 301, 307, 315, 318, 324, 330, 336, 340, 348, 353, 357, 362, 365, 371, 375, 381, 383, 391, 396, 398, 401, 408, 410, 417, 419, 425, 429, 432, 443, 446, 450, 462, 465, 469, 478, 480, 484, 493, 504, 508, 517, 520, 525, 530, 535, 541, 544, 547, 554, 560, 567, 578, 580, 582, 591, 596, 602, 606, 611, 618, 626, 628, 637, 646, 652, 661, 664, 669, 672, 676, 687, 692, 695, 700, 702, 713, 715, 725, 728, 731, 734, 740, 747, 755, 757, 769, 773, 784, 793, 796, 799, 803, 809, 814, 817, 819, 826, 828, 829, 834, 844, 855, 867, 872, 874, 883, 887, 889, 893, 895, 903, 914, 920, 928, 932, 935, 936, 938, 943, 953, 957, 962, 974, 982, 985, 989, 994, 1000, 1007, 1013, 1016, 1021, 1023, 1027, 1036, 1040, 1046, 1049, 1053, 1061, 1064, 1067, 1070, 1079, 1083, 1089, 1094, 1097, 1100, 1105, 1113, 1119, 1122, 1123, 1126, 1131, 1133, 1144, 1145, 1147, 1151, 1161, 1165, 1170, 1179, 1182, 1191, 1197, 1200, 1212, 1215, 1219, 1220, 1228, 1230, 1234, 1239, 1242, 1247, 1251, 1257, 1263, 1266, 1267, 1278, 1279, 1281, 1291, 1297, 1302, 1311, 1319, 1327, 1331, 1335, 1340, 1342, 1345, 1350, 1355, 1360, 1364, 1368, 1370, 1375, 1383, 1388, 1397 ] }

{ "tokens": [ "What", "is", "the", "earlier", "draft", "of", "the", "book", "titled", "?" ], "offsets": [ 0, 5, 8, 12, 20, 26, 29, 33, 38, 44 ] }

{ "text": [ "Go Set a Watchman" ], "char_spans": [ { "start": [ 50 ], "end": [ 66 ] } ], "token_spans": [ { "start": [ 10 ], "end": [ 13 ] } ] }

[ "Go Set a Watchman" ]

{ "tokens": [ "An", "earlier", "draft", "of", "To", "Kill", "a", "Mockingbird", ",", "titled", "Go", "Set", "a", "Watchman", ",", "was", "controversially", "released", "on", "July", "14", ",", "2015", ".", "This", "draft", ",", "which", "was", "completed", "in", "1957", ",", "is", "set", "20", "years", "after", "the", "time", "period", "depicted", "in", "To", "Kill", "a", "Mockingbird", "but", "is", "not", "a", "continuation", "of", "the", "narrative", ".", "This", "earlier", "version", "of", "the", "story", "follows", "an", "adult", "Scout", "Finch", "who", "travels", "from", "New", "York", "to", "visit", "her", "father", ",", "Atticus", "Finch", ",", "in", "Maycomb", ",", "Alabama", ",", "where", "she", "is", "confronted", "by", "the", "intolerance", "in", "her", "community", ".", "The", "Watchman", "manuscript", "was", "believed", "to", "have", "been", "lost", "until", "Lee", "'s", "lawyer", "Tonja", "Carter", "discovered", "it", ";", "although", "this", "claim", "has", "been", "widely", "disputed", ".", "Watchman", "contains", "early", "versions", "of", "many", "of", "the", "characters", "from", "To", "Kill", "a", "Mockingbird", ".", "According", "to", "Lee", "'s", "agent", "Andrew", "Nurnberg", ",", "Mockingbird", "was", "originally", "intended", "to", "be", "the", "first", "book", "of", "a", "trilogy", ":", "\"", "They", "discussed", "publishing", "Mockingbird", "first", ",", "Watchman", "last", ",", "and", "a", "shorter", "connecting", "novel", "between", "the", "two", ".", "\"", "This", "assertion", "has", "been", "discredited", "however", "by", "the", "rare", "books", "expert", "James", "S.", "Jaffe", ",", "who", "reviewed", "the", "pages", "at", "the", "request", "of", "Lee", "'s", "attorney", "and", "found", "them", "to", "be", "only", "another", "draft", "of", "\"", "To", "Kill", "a", "Mockingbird", "\"", ".", "The", "statement", "was", "also", "contrary", "to", "Jonathan", "Mahler", "'s", "description", "of", "how", "\"", "Watchman", "\"", "was", "seen", "as", "just", "the", "first", "draft", "of", "\"", "Mockingbird", "\"", ".", "Instances", "where", "many", "passages", "overlap", "between", "the", "two", "books", ",", "in", "some", "case", "word", "for", "word", ",", "also", "refutes", "this", "assertion", "." ], "offsets": [ 0, 3, 11, 17, 20, 23, 28, 30, 41, 43, 50, 53, 57, 59, 67, 69, 73, 89, 98, 101, 106, 108, 110, 114, 116, 121, 126, 128, 134, 138, 148, 151, 155, 157, 160, 164, 167, 173, 179, 183, 188, 195, 204, 207, 210, 215, 217, 229, 233, 236, 240, 242, 255, 258, 262, 271, 273, 278, 286, 294, 297, 301, 307, 315, 318, 324, 330, 336, 340, 348, 353, 357, 362, 365, 371, 375, 381, 383, 391, 396, 398, 401, 408, 410, 417, 419, 425, 429, 432, 443, 446, 450, 462, 465, 469, 478, 480, 484, 493, 504, 508, 517, 520, 525, 530, 535, 541, 544, 547, 554, 560, 567, 578, 580, 582, 591, 596, 602, 606, 611, 618, 626, 628, 637, 646, 652, 661, 664, 669, 672, 676, 687, 692, 695, 700, 702, 713, 715, 725, 728, 731, 734, 740, 747, 755, 757, 769, 773, 784, 793, 796, 799, 803, 809, 814, 817, 819, 826, 828, 829, 834, 844, 855, 867, 872, 874, 883, 887, 889, 893, 895, 903, 914, 920, 928, 932, 935, 936, 938, 943, 953, 957, 962, 974, 982, 985, 989, 994, 1000, 1007, 1013, 1016, 1021, 1023, 1027, 1036, 1040, 1046, 1049, 1053, 1061, 1064, 1067, 1070, 1079, 1083, 1089, 1094, 1097, 1100, 1105, 1113, 1119, 1122, 1123, 1126, 1131, 1133, 1144, 1145, 1147, 1151, 1161, 1165, 1170, 1179, 1182, 1191, 1197, 1200, 1212, 1215, 1219, 1220, 1228, 1230, 1234, 1239, 1242, 1247, 1251, 1257, 1263, 1266, 1267, 1278, 1279, 1281, 1291, 1297, 1302, 1311, 1319, 1327, 1331, 1335, 1340, 1342, 1345, 1350, 1355, 1360, 1364, 1368, 1370, 1375, 1383, 1388, 1397 ] }

{ "tokens": [ "What", "year", "was", "Watchman", "completed", "?" ], "offsets": [ 0, 5, 10, 14, 23, 32 ] }

{ "text": [ "1957" ], "char_spans": [ { "start": [ 151 ], "end": [ 154 ] } ], "token_spans": [ { "start": [ 31 ], "end": [ 31 ] } ] }

[ "1957" ]

{ "tokens": [ "Furthermore", ",", "despite", "the", "novel", "'s", "thematic", "focus", "on", "racial", "injustice", ",", "its", "black", "characters", "are", "not", "fully", "examined", ".", "In", "its", "use", "of", "racial", "epithets", ",", "stereotyped", "depictions", "of", "superstitious", "blacks", ",", "and", "Calpurnia", ",", "who", "to", "some", "critics", "is", "an", "updated", "version", "of", "the", "\"", "contented", "slave", "\"", "motif", "and", "to", "others", "simply", "unexplored", ",", "the", "book", "is", "viewed", "as", "marginalizing", "black", "characters", ".", "One", "writer", "asserts", "that", "the", "use", "of", "Scout", "'s", "narration", "serves", "as", "a", "convenient", "mechanism", "for", "readers", "to", "be", "innocent", "and", "detached", "from", "the", "racial", "conflict", ".", "Scout", "'s", "voice", "\"", "functions", "as", "the", "not", "-", "me", "which", "allows", "the", "rest", "of", "us", "—", "black", "and", "white", ",", "male", "and", "female", "—", "to", "find", "our", "relative", "position", "in", "society", "\"", ".", "A", "teaching", "guide", "for", "the", "novel", "published", "by", "The", "English", "Journal", "cautions", ",", "\"", "what", "seems", "wonderful", "or", "powerful", "to", "one", "group", "of", "students", "may", "seem", "degrading", "to", "another", "\"", ".", "A", "Canadian", "language", "arts", "consultant", "found", "that", "the", "novel", "resonated", "well", "with", "white", "students", ",", "but", "that", "black", "students", "found", "it", "\"", "demoralizing", "\"", ".", "Another", "criticism", ",", "articulated", "by", "Michael", "Lind", ",", "is", "that", "the", "novel", "indulges", "in", "classist", "stereotyping", "and", "demonization", "of", "poor", "rural", "\"", "white", "trash", "\"", "." ], "offsets": [ 0, 11, 13, 21, 25, 30, 33, 42, 48, 51, 58, 67, 69, 73, 79, 90, 94, 98, 104, 112, 114, 117, 121, 125, 128, 135, 143, 145, 157, 168, 171, 185, 191, 193, 197, 206, 208, 212, 215, 220, 228, 231, 234, 242, 250, 253, 257, 258, 268, 273, 275, 281, 285, 288, 295, 302, 312, 314, 318, 323, 326, 333, 336, 350, 356, 366, 368, 372, 379, 387, 392, 396, 400, 403, 408, 411, 421, 428, 431, 433, 444, 454, 458, 466, 469, 472, 481, 485, 494, 499, 503, 510, 518, 520, 525, 528, 534, 535, 545, 548, 552, 555, 556, 559, 565, 572, 576, 581, 584, 586, 587, 593, 597, 602, 604, 609, 613, 619, 620, 623, 628, 632, 641, 650, 653, 660, 661, 663, 665, 674, 680, 684, 688, 694, 704, 707, 711, 719, 727, 735, 737, 738, 743, 749, 759, 762, 771, 774, 778, 784, 787, 796, 800, 805, 815, 818, 825, 826, 828, 830, 839, 848, 853, 864, 870, 875, 879, 885, 895, 900, 905, 911, 919, 921, 925, 930, 936, 945, 951, 954, 955, 967, 968, 970, 978, 987, 989, 1001, 1004, 1012, 1016, 1018, 1021, 1026, 1030, 1036, 1045, 1048, 1057, 1070, 1074, 1087, 1090, 1095, 1101, 1102, 1108, 1113, 1114 ] }

{ "tokens": [ "Which", "character", "has", "some", "critics", "deemed", "a", "variation", "of", "a", "contented", "slave", "?" ], "offsets": [ 0, 6, 16, 20, 25, 33, 40, 42, 52, 55, 57, 67, 72 ] }

{ "text": [ "Calpurnia" ], "char_spans": [ { "start": [ 197 ], "end": [ 205 ] } ], "token_spans": [ { "start": [ 34 ], "end": [ 34 ] } ] }

[ "Calpurnia" ]

{ "tokens": [ "Furthermore", ",", "despite", "the", "novel", "'s", "thematic", "focus", "on", "racial", "injustice", ",", "its", "black", "characters", "are", "not", "fully", "examined", ".", "In", "its", "use", "of", "racial", "epithets", ",", "stereotyped", "depictions", "of", "superstitious", "blacks", ",", "and", "Calpurnia", ",", "who", "to", "some", "critics", "is", "an", "updated", "version", "of", "the", "\"", "contented", "slave", "\"", "motif", "and", "to", "others", "simply", "unexplored", ",", "the", "book", "is", "viewed", "as", "marginalizing", "black", "characters", ".", "One", "writer", "asserts", "that", "the", "use", "of", "Scout", "'s", "narration", "serves", "as", "a", "convenient", "mechanism", "for", "readers", "to", "be", "innocent", "and", "detached", "from", "the", "racial", "conflict", ".", "Scout", "'s", "voice", "\"", "functions", "as", "the", "not", "-", "me", "which", "allows", "the", "rest", "of", "us", "—", "black", "and", "white", ",", "male", "and", "female", "—", "to", "find", "our", "relative", "position", "in", "society", "\"", ".", "A", "teaching", "guide", "for", "the", "novel", "published", "by", "The", "English", "Journal", "cautions", ",", "\"", "what", "seems", "wonderful", "or", "powerful", "to", "one", "group", "of", "students", "may", "seem", "degrading", "to", "another", "\"", ".", "A", "Canadian", "language", "arts", "consultant", "found", "that", "the", "novel", "resonated", "well", "with", "white", "students", ",", "but", "that", "black", "students", "found", "it", "\"", "demoralizing", "\"", ".", "Another", "criticism", ",", "articulated", "by", "Michael", "Lind", ",", "is", "that", "the", "novel", "indulges", "in", "classist", "stereotyping", "and", "demonization", "of", "poor", "rural", "\"", "white", "trash", "\"", "." ], "offsets": [ 0, 11, 13, 21, 25, 30, 33, 42, 48, 51, 58, 67, 69, 73, 79, 90, 94, 98, 104, 112, 114, 117, 121, 125, 128, 135, 143, 145, 157, 168, 171, 185, 191, 193, 197, 206, 208, 212, 215, 220, 228, 231, 234, 242, 250, 253, 257, 258, 268, 273, 275, 281, 285, 288, 295, 302, 312, 314, 318, 323, 326, 333, 336, 350, 356, 366, 368, 372, 379, 387, 392, 396, 400, 403, 408, 411, 421, 428, 431, 433, 444, 454, 458, 466, 469, 472, 481, 485, 494, 499, 503, 510, 518, 520, 525, 528, 534, 535, 545, 548, 552, 555, 556, 559, 565, 572, 576, 581, 584, 586, 587, 593, 597, 602, 604, 609, 613, 619, 620, 623, 628, 632, 641, 650, 653, 660, 661, 663, 665, 674, 680, 684, 688, 694, 704, 707, 711, 719, 727, 735, 737, 738, 743, 749, 759, 762, 771, 774, 778, 784, 787, 796, 800, 805, 815, 818, 825, 826, 828, 830, 839, 848, 853, 864, 870, 875, 879, 885, 895, 900, 905, 911, 919, 921, 925, 930, 936, 945, 951, 954, 955, 967, 968, 970, 978, 987, 989, 1001, 1004, 1012, 1016, 1018, 1021, 1026, 1030, 1036, 1045, 1048, 1057, 1070, 1074, 1087, 1090, 1095, 1101, 1102, 1108, 1113, 1114 ] }

{ "tokens": [ "According", "to", "one", "consultant", ",", "which", "group", "found", "the", "book", "demoralizing", "?" ], "offsets": [ 0, 10, 13, 17, 27, 29, 35, 41, 47, 51, 56, 68 ] }

{ "text": [ "black students" ], "char_spans": [ { "start": [ 930 ], "end": [ 943 ] } ], "token_spans": [ { "start": [ 175 ], "end": [ 176 ] } ] }

[ "black students" ]

{ "tokens": [ "Furthermore", ",", "despite", "the", "novel", "'s", "thematic", "focus", "on", "racial", "injustice", ",", "its", "black", "characters", "are", "not", "fully", "examined", ".", "In", "its", "use", "of", "racial", "epithets", ",", "stereotyped", "depictions", "of", "superstitious", "blacks", ",", "and", "Calpurnia", ",", "who", "to", "some", "critics", "is", "an", "updated", "version", "of", "the", "\"", "contented", "slave", "\"", "motif", "and", "to", "others", "simply", "unexplored", ",", "the", "book", "is", "viewed", "as", "marginalizing", "black", "characters", ".", "One", "writer", "asserts", "that", "the", "use", "of", "Scout", "'s", "narration", "serves", "as", "a", "convenient", "mechanism", "for", "readers", "to", "be", "innocent", "and", "detached", "from", "the", "racial", "conflict", ".", "Scout", "'s", "voice", "\"", "functions", "as", "the", "not", "-", "me", "which", "allows", "the", "rest", "of", "us", "—", "black", "and", "white", ",", "male", "and", "female", "—", "to", "find", "our", "relative", "position", "in", "society", "\"", ".", "A", "teaching", "guide", "for", "the", "novel", "published", "by", "The", "English", "Journal", "cautions", ",", "\"", "what", "seems", "wonderful", "or", "powerful", "to", "one", "group", "of", "students", "may", "seem", "degrading", "to", "another", "\"", ".", "A", "Canadian", "language", "arts", "consultant", "found", "that", "the", "novel", "resonated", "well", "with", "white", "students", ",", "but", "that", "black", "students", "found", "it", "\"", "demoralizing", "\"", ".", "Another", "criticism", ",", "articulated", "by", "Michael", "Lind", ",", "is", "that", "the", "novel", "indulges", "in", "classist", "stereotyping", "and", "demonization", "of", "poor", "rural", "\"", "white", "trash", "\"", "." ], "offsets": [ 0, 11, 13, 21, 25, 30, 33, 42, 48, 51, 58, 67, 69, 73, 79, 90, 94, 98, 104, 112, 114, 117, 121, 125, 128, 135, 143, 145, 157, 168, 171, 185, 191, 193, 197, 206, 208, 212, 215, 220, 228, 231, 234, 242, 250, 253, 257, 258, 268, 273, 275, 281, 285, 288, 295, 302, 312, 314, 318, 323, 326, 333, 336, 350, 356, 366, 368, 372, 379, 387, 392, 396, 400, 403, 408, 411, 421, 428, 431, 433, 444, 454, 458, 466, 469, 472, 481, 485, 494, 499, 503, 510, 518, 520, 525, 528, 534, 535, 545, 548, 552, 555, 556, 559, 565, 572, 576, 581, 584, 586, 587, 593, 597, 602, 604, 609, 613, 619, 620, 623, 628, 632, 641, 650, 653, 660, 661, 663, 665, 674, 680, 684, 688, 694, 704, 707, 711, 719, 727, 735, 737, 738, 743, 749, 759, 762, 771, 774, 778, 784, 787, 796, 800, 805, 815, 818, 825, 826, 828, 830, 839, 848, 853, 864, 870, 875, 879, 885, 895, 900, 905, 911, 919, 921, 925, 930, 936, 945, 951, 954, 955, 967, 968, 970, 978, 987, 989, 1001, 1004, 1012, 1016, 1018, 1021, 1026, 1030, 1036, 1045, 1048, 1057, 1070, 1074, 1087, 1090, 1095, 1101, 1102, 1108, 1113, 1114 ] }

{ "tokens": [ "Michael", "Lund", "criticized", "the", "novel", "for", "demonizing", "whom", "?" ], "offsets": [ 0, 8, 13, 24, 28, 34, 38, 49, 53 ] }

{ "text": [ "poor rural \"white trash\"" ], "char_spans": [ { "start": [ 1090 ], "end": [ 1113 ] } ], "token_spans": [ { "start": [ 202 ], "end": [ 207 ] } ] }

[ "poor rural \"white trash\"" ]

{ "tokens": [ "Commercial", "CSP", "plants", "were", "first", "developed", "in", "the", "1980s", ".", "Since", "1985", "the", "eventually", "354", "MW", "SEGS", "CSP", "installation", ",", "in", "the", "Mojave", "Desert", "of", "California", ",", "is", "the", "largest", "solar", "power", "plant", "in", "the", "world", ".", "Other", "large", "CSP", "plants", "include", "the", "150", "MW", "Solnova", "Solar", "Power", "Station", "and", "the", "100", "MW", "Andasol", "solar", "power", "station", ",", "both", "in", "Spain", ".", "The", "250", "MW", "Agua", "Caliente", "Solar", "Project", ",", "in", "the", "United", "States", ",", "and", "the", "221", "MW", "Charanka", "Solar", "Park", "in", "India", ",", "are", "the", "world", "’s", "largest", "photovoltaic", "plants", ".", "Solar", "projects", "exceeding", "1", "GW", "are", "being", "developed", ",", "but", "most", "of", "the", "deployed", "photovoltaics", "are", "in", "small", "rooftop", "arrays", "of", "less", "than", "5", "kW", ",", "which", "are", "grid", "connected", "using", "net", "metering", "and/or", "a", "feed", "-", "in", "tariff", ".", "In", "2013", "solar", "generated", "less", "than", "1", "%", "of", "the", "worlds", "total", "grid", "electricity", "." ], "offsets": [ 0, 11, 15, 22, 27, 33, 43, 46, 50, 55, 57, 63, 68, 72, 83, 87, 90, 95, 99, 111, 113, 116, 120, 127, 134, 137, 147, 149, 152, 156, 164, 170, 176, 182, 185, 189, 194, 196, 202, 208, 212, 219, 227, 231, 235, 238, 246, 252, 258, 266, 270, 274, 278, 281, 289, 295, 301, 308, 310, 315, 318, 323, 325, 329, 333, 336, 341, 350, 356, 363, 365, 368, 372, 379, 385, 387, 391, 395, 399, 402, 411, 417, 422, 425, 430, 432, 436, 440, 445, 448, 456, 469, 475, 477, 483, 492, 502, 504, 507, 511, 517, 526, 528, 532, 537, 540, 544, 553, 567, 571, 574, 580, 588, 595, 598, 603, 608, 610, 612, 614, 620, 624, 629, 639, 645, 649, 658, 665, 667, 671, 672, 675, 681, 683, 686, 691, 697, 707, 712, 717, 718, 720, 723, 727, 734, 740, 745, 756 ] }

{ "tokens": [ "The", "largest", "solar", "power", "plant", "in", "the", "world", "is", "located", "in", "what", "desert", "?" ], "offsets": [ 0, 4, 12, 18, 24, 30, 33, 37, 43, 46, 54, 57, 62, 68 ] }

{ "text": [ "the Mojave Desert" ], "char_spans": [ { "start": [ 116 ], "end": [ 132 ] } ], "token_spans": [ { "start": [ 21 ], "end": [ 23 ] } ] }

[ "the Mojave Desert" ]

{ "tokens": [ "Commercial", "CSP", "plants", "were", "first", "developed", "in", "the", "1980s", ".", "Since", "1985", "the", "eventually", "354", "MW", "SEGS", "CSP", "installation", ",", "in", "the", "Mojave", "Desert", "of", "California", ",", "is", "the", "largest", "solar", "power", "plant", "in", "the", "world", ".", "Other", "large", "CSP", "plants", "include", "the", "150", "MW", "Solnova", "Solar", "Power", "Station", "and", "the", "100", "MW", "Andasol", "solar", "power", "station", ",", "both", "in", "Spain", ".", "The", "250", "MW", "Agua", "Caliente", "Solar", "Project", ",", "in", "the", "United", "States", ",", "and", "the", "221", "MW", "Charanka", "Solar", "Park", "in", "India", ",", "are", "the", "world", "’s", "largest", "photovoltaic", "plants", ".", "Solar", "projects", "exceeding", "1", "GW", "are", "being", "developed", ",", "but", "most", "of", "the", "deployed", "photovoltaics", "are", "in", "small", "rooftop", "arrays", "of", "less", "than", "5", "kW", ",", "which", "are", "grid", "connected", "using", "net", "metering", "and/or", "a", "feed", "-", "in", "tariff", ".", "In", "2013", "solar", "generated", "less", "than", "1", "%", "of", "the", "worlds", "total", "grid", "electricity", "." ], "offsets": [ 0, 11, 15, 22, 27, 33, 43, 46, 50, 55, 57, 63, 68, 72, 83, 87, 90, 95, 99, 111, 113, 116, 120, 127, 134, 137, 147, 149, 152, 156, 164, 170, 176, 182, 185, 189, 194, 196, 202, 208, 212, 219, 227, 231, 235, 238, 246, 252, 258, 266, 270, 274, 278, 281, 289, 295, 301, 308, 310, 315, 318, 323, 325, 329, 333, 336, 341, 350, 356, 363, 365, 368, 372, 379, 385, 387, 391, 395, 399, 402, 411, 417, 422, 425, 430, 432, 436, 440, 445, 448, 456, 469, 475, 477, 483, 492, 502, 504, 507, 511, 517, 526, 528, 532, 537, 540, 544, 553, 567, 571, 574, 580, 588, 595, 598, 603, 608, 610, 612, 614, 620, 624, 629, 639, 645, 649, 658, 665, 667, 671, 672, 675, 681, 683, 686, 691, 697, 707, 712, 717, 718, 720, 723, 727, 734, 740, 745, 756 ] }

{ "tokens": [ "Less", "than", "1", "%", "of", "the", "world", "'s", "total", "grid", "electricity", "was", "generated", "by", "solar", "energy", "in", "what", "year", "?" ], "offsets": [ 0, 5, 10, 11, 13, 16, 20, 25, 28, 34, 39, 51, 55, 65, 68, 74, 81, 84, 89, 93 ] }

{ "text": [ "2013" ], "char_spans": [ { "start": [ 686 ], "end": [ 689 ] } ], "token_spans": [ { "start": [ 134 ], "end": [ 134 ] } ] }

[ "2013" ]

{ "tokens": [ "Commercial", "CSP", "plants", "were", "first", "developed", "in", "the", "1980s", ".", "Since", "1985", "the", "eventually", "354", "MW", "SEGS", "CSP", "installation", ",", "in", "the", "Mojave", "Desert", "of", "California", ",", "is", "the", "largest", "solar", "power", "plant", "in", "the", "world", ".", "Other", "large", "CSP", "plants", "include", "the", "150", "MW", "Solnova", "Solar", "Power", "Station", "and", "the", "100", "MW", "Andasol", "solar", "power", "station", ",", "both", "in", "Spain", ".", "The", "250", "MW", "Agua", "Caliente", "Solar", "Project", ",", "in", "the", "United", "States", ",", "and", "the", "221", "MW", "Charanka", "Solar", "Park", "in", "India", ",", "are", "the", "world", "’s", "largest", "photovoltaic", "plants", ".", "Solar", "projects", "exceeding", "1", "GW", "are", "being", "developed", ",", "but", "most", "of", "the", "deployed", "photovoltaics", "are", "in", "small", "rooftop", "arrays", "of", "less", "than", "5", "kW", ",", "which", "are", "grid", "connected", "using", "net", "metering", "and/or", "a", "feed", "-", "in", "tariff", ".", "In", "2013", "solar", "generated", "less", "than", "1", "%", "of", "the", "worlds", "total", "grid", "electricity", "." ], "offsets": [ 0, 11, 15, 22, 27, 33, 43, 46, 50, 55, 57, 63, 68, 72, 83, 87, 90, 95, 99, 111, 113, 116, 120, 127, 134, 137, 147, 149, 152, 156, 164, 170, 176, 182, 185, 189, 194, 196, 202, 208, 212, 219, 227, 231, 235, 238, 246, 252, 258, 266, 270, 274, 278, 281, 289, 295, 301, 308, 310, 315, 318, 323, 325, 329, 333, 336, 341, 350, 356, 363, 365, 368, 372, 379, 385, 387, 391, 395, 399, 402, 411, 417, 422, 425, 430, 432, 436, 440, 445, 448, 456, 469, 475, 477, 483, 492, 502, 504, 507, 511, 517, 526, 528, 532, 537, 540, 544, 553, 567, 571, 574, 580, 588, 595, 598, 603, 608, 610, 612, 614, 620, 624, 629, 639, 645, 649, 658, 665, 667, 671, 672, 675, 681, 683, 686, 691, 697, 707, 712, 717, 718, 720, 723, 727, 734, 740, 745, 756 ] }

{ "tokens": [ "What", "is", "the", "largest", "solar", "power", "plant", "in", "the", "world", "?" ], "offsets": [ 0, 5, 8, 12, 20, 26, 32, 38, 41, 45, 50 ] }

{ "text": [ "354 MW SEGS CSP" ], "char_spans": [ { "start": [ 83 ], "end": [ 97 ] } ], "token_spans": [ { "start": [ 14 ], "end": [ 17 ] } ] }

[ "354 MW SEGS CSP" ]

{ "tokens": [ "Commercial", "CSP", "plants", "were", "first", "developed", "in", "the", "1980s", ".", "Since", "1985", "the", "eventually", "354", "MW", "SEGS", "CSP", "installation", ",", "in", "the", "Mojave", "Desert", "of", "California", ",", "is", "the", "largest", "solar", "power", "plant", "in", "the", "world", ".", "Other", "large", "CSP", "plants", "include", "the", "150", "MW", "Solnova", "Solar", "Power", "Station", "and", "the", "100", "MW", "Andasol", "solar", "power", "station", ",", "both", "in", "Spain", ".", "The", "250", "MW", "Agua", "Caliente", "Solar", "Project", ",", "in", "the", "United", "States", ",", "and", "the", "221", "MW", "Charanka", "Solar", "Park", "in", "India", ",", "are", "the", "world", "’s", "largest", "photovoltaic", "plants", ".", "Solar", "projects", "exceeding", "1", "GW", "are", "being", "developed", ",", "but", "most", "of", "the", "deployed", "photovoltaics", "are", "in", "small", "rooftop", "arrays", "of", "less", "than", "5", "kW", ",", "which", "are", "grid", "connected", "using", "net", "metering", "and/or", "a", "feed", "-", "in", "tariff", ".", "In", "2013", "solar", "generated", "less", "than", "1", "%", "of", "the", "worlds", "total", "grid", "electricity", "." ], "offsets": [ 0, 11, 15, 22, 27, 33, 43, 46, 50, 55, 57, 63, 68, 72, 83, 87, 90, 95, 99, 111, 113, 116, 120, 127, 134, 137, 147, 149, 152, 156, 164, 170, 176, 182, 185, 189, 194, 196, 202, 208, 212, 219, 227, 231, 235, 238, 246, 252, 258, 266, 270, 274, 278, 281, 289, 295, 301, 308, 310, 315, 318, 323, 325, 329, 333, 336, 341, 350, 356, 363, 365, 368, 372, 379, 385, 387, 391, 395, 399, 402, 411, 417, 422, 425, 430, 432, 436, 440, 445, 448, 456, 469, 475, 477, 483, 492, 502, 504, 507, 511, 517, 526, 528, 532, 537, 540, 544, 553, 567, 571, 574, 580, 588, 595, 598, 603, 608, 610, 612, 614, 620, 624, 629, 639, 645, 649, 658, 665, 667, 671, 672, 675, 681, 683, 686, 691, 697, 707, 712, 717, 718, 720, 723, 727, 734, 740, 745, 756 ] }

{ "tokens": [ "Where", "is", "the", "largest", "solar", "power", "plant", "in", "the", "world", "located", "?" ], "offsets": [ 0, 6, 9, 13, 21, 27, 33, 39, 42, 46, 52, 59 ] }

{ "text": [ "Mojave Desert of California" ], "char_spans": [ { "start": [ 120 ], "end": [ 146 ] } ], "token_spans": [ { "start": [ 22 ], "end": [ 25 ] } ] }

[ "Mojave Desert of California" ]

{ "tokens": [ "Commercial", "CSP", "plants", "were", "first", "developed", "in", "the", "1980s", ".", "Since", "1985", "the", "eventually", "354", "MW", "SEGS", "CSP", "installation", ",", "in", "the", "Mojave", "Desert", "of", "California", ",", "is", "the", "largest", "solar", "power", "plant", "in", "the", "world", ".", "Other", "large", "CSP", "plants", "include", "the", "150", "MW", "Solnova", "Solar", "Power", "Station", "and", "the", "100", "MW", "Andasol", "solar", "power", "station", ",", "both", "in", "Spain", ".", "The", "250", "MW", "Agua", "Caliente", "Solar", "Project", ",", "in", "the", "United", "States", ",", "and", "the", "221", "MW", "Charanka", "Solar", "Park", "in", "India", ",", "are", "the", "world", "’s", "largest", "photovoltaic", "plants", ".", "Solar", "projects", "exceeding", "1", "GW", "are", "being", "developed", ",", "but", "most", "of", "the", "deployed", "photovoltaics", "are", "in", "small", "rooftop", "arrays", "of", "less", "than", "5", "kW", ",", "which", "are", "grid", "connected", "using", "net", "metering", "and/or", "a", "feed", "-", "in", "tariff", ".", "In", "2013", "solar", "generated", "less", "than", "1", "%", "of", "the", "worlds", "total", "grid", "electricity", "." ], "offsets": [ 0, 11, 15, 22, 27, 33, 43, 46, 50, 55, 57, 63, 68, 72, 83, 87, 90, 95, 99, 111, 113, 116, 120, 127, 134, 137, 147, 149, 152, 156, 164, 170, 176, 182, 185, 189, 194, 196, 202, 208, 212, 219, 227, 231, 235, 238, 246, 252, 258, 266, 270, 274, 278, 281, 289, 295, 301, 308, 310, 315, 318, 323, 325, 329, 333, 336, 341, 350, 356, 363, 365, 368, 372, 379, 385, 387, 391, 395, 399, 402, 411, 417, 422, 425, 430, 432, 436, 440, 445, 448, 456, 469, 475, 477, 483, 492, 502, 504, 507, 511, 517, 526, 528, 532, 537, 540, 544, 553, 567, 571, 574, 580, 588, 595, 598, 603, 608, 610, 612, 614, 620, 624, 629, 639, 645, 649, 658, 665, 667, 671, 672, 675, 681, 683, 686, 691, 697, 707, 712, 717, 718, 720, 723, 727, 734, 740, 745, 756 ] }

{ "tokens": [ "What", "are", "the", "largest", "photovoltaic", "solar", "power", "plants", "?" ], "offsets": [ 0, 5, 9, 13, 21, 34, 40, 46, 52 ] }

{ "text": [ "The 250 MW Agua Caliente Solar Project, in the United States, and the 221 MW Charanka Solar Park in India" ], "char_spans": [ { "start": [ 325 ], "end": [ 429 ] } ], "token_spans": [ { "start": [ 62 ], "end": [ 83 ] } ] }

[ "The 250 MW Agua Caliente Solar Project, in the United States, and the 221 MW Charanka Solar Park in India" ]

{ "tokens": [ "Solar", "water", "disinfection", "(", "SODIS", ")", "involves", "exposing", "water", "-", "filled", "plastic", "polyethylene", "terephthalate", "(", "PET", ")", "bottles", "to", "sunlight", "for", "several", "hours", ".", "Exposure", "times", "vary", "depending", "on", "weather", "and", "climate", "from", "a", "minimum", "of", "six", "hours", "to", "two", "days", "during", "fully", "overcast", "conditions", ".", "It", "is", "recommended", "by", "the", "World", "Health", "Organization", "as", "a", "viable", "method", "for", "household", "water", "treatment", "and", "safe", "storage", ".", "Over", "two", "million", "people", "in", "developing", "countries", "use", "this", "method", "for", "their", "daily", "drinking", "water", "." ], "offsets": [ 0, 6, 12, 25, 26, 31, 33, 42, 51, 56, 57, 64, 72, 85, 99, 100, 103, 105, 113, 116, 125, 129, 137, 142, 144, 153, 159, 164, 174, 177, 185, 189, 197, 202, 204, 212, 215, 219, 225, 228, 232, 237, 244, 250, 259, 269, 271, 274, 277, 289, 292, 296, 302, 309, 322, 325, 327, 334, 341, 345, 355, 361, 371, 375, 380, 387, 389, 394, 398, 406, 413, 416, 427, 437, 441, 446, 453, 457, 463, 469, 478, 483 ] }

{ "tokens": [ "Solar", "water", "disinfection", "is", "recommended", "by", "which", "organization", "?" ], "offsets": [ 0, 6, 12, 25, 28, 40, 43, 49, 61 ] }

{ "text": [ "the World Health Organization" ], "char_spans": [ { "start": [ 292 ], "end": [ 320 ] } ], "token_spans": [ { "start": [ 50 ], "end": [ 53 ] } ] }

[ "the World Health Organization" ]

{ "tokens": [ "Solar", "water", "disinfection", "(", "SODIS", ")", "involves", "exposing", "water", "-", "filled", "plastic", "polyethylene", "terephthalate", "(", "PET", ")", "bottles", "to", "sunlight", "for", "several", "hours", ".", "Exposure", "times", "vary", "depending", "on", "weather", "and", "climate", "from", "a", "minimum", "of", "six", "hours", "to", "two", "days", "during", "fully", "overcast", "conditions", ".", "It", "is", "recommended", "by", "the", "World", "Health", "Organization", "as", "a", "viable", "method", "for", "household", "water", "treatment", "and", "safe", "storage", ".", "Over", "two", "million", "people", "in", "developing", "countries", "use", "this", "method", "for", "their", "daily", "drinking", "water", "." ], "offsets": [ 0, 6, 12, 25, 26, 31, 33, 42, 51, 56, 57, 64, 72, 85, 99, 100, 103, 105, 113, 116, 125, 129, 137, 142, 144, 153, 159, 164, 174, 177, 185, 189, 197, 202, 204, 212, 215, 219, 225, 228, 232, 237, 244, 250, 259, 269, 271, 274, 277, 289, 292, 296, 302, 309, 322, 325, 327, 334, 341, 345, 355, 361, 371, 375, 380, 387, 389, 394, 398, 406, 413, 416, 427, 437, 441, 446, 453, 457, 463, 469, 478, 483 ] }

{ "tokens": [ "How", "long", "should", "the", "plastic", "bottles", "filled", "with", "water", "be", "exposed", "to", "sunlight", "during", "Solar", "water", "disinfection", "?" ], "offsets": [ 0, 4, 9, 16, 20, 28, 36, 43, 48, 54, 57, 65, 68, 77, 84, 90, 96, 108 ] }

{ "text": [ "a minimum of six hours to two days during fully overcast conditions" ], "char_spans": [ { "start": [ 202 ], "end": [ 268 ] } ], "token_spans": [ { "start": [ 33 ], "end": [ 44 ] } ] }

[ "a minimum of six hours to two days during fully overcast conditions" ]

{ "tokens": [ "Solar", "water", "disinfection", "(", "SODIS", ")", "involves", "exposing", "water", "-", "filled", "plastic", "polyethylene", "terephthalate", "(", "PET", ")", "bottles", "to", "sunlight", "for", "several", "hours", ".", "Exposure", "times", "vary", "depending", "on", "weather", "and", "climate", "from", "a", "minimum", "of", "six", "hours", "to", "two", "days", "during", "fully", "overcast", "conditions", ".", "It", "is", "recommended", "by", "the", "World", "Health", "Organization", "as", "a", "viable", "method", "for", "household", "water", "treatment", "and", "safe", "storage", ".", "Over", "two", "million", "people", "in", "developing", "countries", "use", "this", "method", "for", "their", "daily", "drinking", "water", "." ], "offsets": [ 0, 6, 12, 25, 26, 31, 33, 42, 51, 56, 57, 64, 72, 85, 99, 100, 103, 105, 113, 116, 125, 129, 137, 142, 144, 153, 159, 164, 174, 177, 185, 189, 197, 202, 204, 212, 215, 219, 225, 228, 232, 237, 244, 250, 259, 269, 271, 274, 277, 289, 292, 296, 302, 309, 322, 325, 327, 334, 341, 345, 355, 361, 371, 375, 380, 387, 389, 394, 398, 406, 413, 416, 427, 437, 441, 446, 453, 457, 463, 469, 478, 483 ] }

{ "tokens": [ "What", "does", "the", "World", "Health", "Organization", "say", "about", "Solar", "water", "disinfection", "?" ], "offsets": [ 0, 5, 10, 14, 20, 27, 40, 44, 50, 56, 62, 74 ] }

{ "text": [ "a viable method for household water treatment and safe storage" ], "char_spans": [ { "start": [ 325 ], "end": [ 386 ] } ], "token_spans": [ { "start": [ 55 ], "end": [ 64 ] } ] }

[ "a viable method for household water treatment and safe storage" ]

{ "tokens": [ "Solar", "water", "disinfection", "(", "SODIS", ")", "involves", "exposing", "water", "-", "filled", "plastic", "polyethylene", "terephthalate", "(", "PET", ")", "bottles", "to", "sunlight", "for", "several", "hours", ".", "Exposure", "times", "vary", "depending", "on", "weather", "and", "climate", "from", "a", "minimum", "of", "six", "hours", "to", "two", "days", "during", "fully", "overcast", "conditions", ".", "It", "is", "recommended", "by", "the", "World", "Health", "Organization", "as", "a", "viable", "method", "for", "household", "water", "treatment", "and", "safe", "storage", ".", "Over", "two", "million", "people", "in", "developing", "countries", "use", "this", "method", "for", "their", "daily", "drinking", "water", "." ], "offsets": [ 0, 6, 12, 25, 26, 31, 33, 42, 51, 56, 57, 64, 72, 85, 99, 100, 103, 105, 113, 116, 125, 129, 137, 142, 144, 153, 159, 164, 174, 177, 185, 189, 197, 202, 204, 212, 215, 219, 225, 228, 232, 237, 244, 250, 259, 269, 271, 274, 277, 289, 292, 296, 302, 309, 322, 325, 327, 334, 341, 345, 355, 361, 371, 375, 380, 387, 389, 394, 398, 406, 413, 416, 427, 437, 441, 446, 453, 457, 463, 469, 478, 483 ] }

{ "tokens": [ "How", "many", "people", "use", "Solar", "water", "disinfection", "to", "disinfect", "their", "drinking", "water", "?" ], "offsets": [ 0, 4, 9, 16, 20, 26, 32, 45, 48, 58, 64, 73, 78 ] }

{ "text": [ "Over two million people in developing countries" ], "char_spans": [ { "start": [ 389 ], "end": [ 435 ] } ], "token_spans": [ { "start": [ 66 ], "end": [ 72 ] } ] }

[ "Over two million people in developing countries" ]

{ "tokens": [ "Solar", "cookers", "use", "sunlight", "for", "cooking", ",", "drying", "and", "pasteurization", ".", "They", "can", "be", "grouped", "into", "three", "broad", "categories", ":", "box", "cookers", ",", "panel", "cookers", "and", "reflector", "cookers", ".", "The", "simplest", "solar", "cooker", "is", "the", "box", "cooker", "first", "built", "by", "Horace", "de", "Saussure", "in", "1767", ".", "A", "basic", "box", "cooker", "consists", "of", "an", "insulated", "container", "with", "a", "transparent", "lid", ".", "It", "can", "be", "used", "effectively", "with", "partially", "overcast", "skies", "and", "will", "typically", "reach", "temperatures", "of", "90–150", "°", "C", "(", "194–302", "°", "F", ")", ".", "Panel", "cookers", "use", "a", "reflective", "panel", "to", "direct", "sunlight", "onto", "an", "insulated", "container", "and", "reach", "temperatures", "comparable", "to", "box", "cookers", ".", "Reflector", "cookers", "use", "various", "concentrating", "geometries", "(", "dish", ",", "trough", ",", "Fresnel", "mirrors", ")", "to", "focus", "light", "on", "a", "cooking", "container", ".", "These", "cookers", "reach", "temperatures", "of", "315", "°", "C", "(", "599", "°", "F", ")", "and", "above", "but", "require", "direct", "light", "to", "function", "properly", "and", "must", "be", "repositioned", "to", "track", "the", "Sun", "." ], "offsets": [ 0, 6, 14, 18, 27, 31, 38, 40, 47, 51, 65, 67, 72, 76, 79, 87, 92, 98, 104, 114, 116, 120, 127, 129, 135, 143, 147, 157, 164, 166, 170, 179, 185, 192, 195, 199, 203, 210, 216, 222, 225, 232, 235, 244, 247, 251, 253, 255, 261, 265, 272, 281, 284, 287, 297, 307, 312, 314, 326, 329, 331, 334, 338, 341, 346, 358, 363, 373, 382, 388, 392, 397, 407, 413, 426, 429, 436, 437, 439, 440, 448, 449, 450, 451, 453, 459, 467, 471, 473, 484, 490, 493, 500, 509, 514, 517, 527, 537, 541, 547, 560, 571, 574, 578, 585, 587, 597, 605, 609, 617, 631, 642, 643, 647, 649, 655, 657, 665, 672, 674, 677, 683, 689, 692, 694, 702, 711, 713, 719, 727, 733, 746, 749, 753, 754, 756, 757, 761, 762, 763, 765, 769, 775, 779, 787, 794, 800, 803, 812, 821, 825, 830, 833, 846, 849, 855, 859, 862 ] }

{ "tokens": [ "Horace", "de", "Saussure", "built", "the", "first", "box", "cooker", "in", "what", "year", "?" ], "offsets": [ 0, 7, 10, 19, 25, 29, 35, 39, 46, 49, 54, 58 ] }

{ "text": [ "1767" ], "char_spans": [ { "start": [ 247 ], "end": [ 250 ] } ], "token_spans": [ { "start": [ 44 ], "end": [ 44 ] } ] }

[ "1767" ]

{ "tokens": [ "Solar", "cookers", "use", "sunlight", "for", "cooking", ",", "drying", "and", "pasteurization", ".", "They", "can", "be", "grouped", "into", "three", "broad", "categories", ":", "box", "cookers", ",", "panel", "cookers", "and", "reflector", "cookers", ".", "The", "simplest", "solar", "cooker", "is", "the", "box", "cooker", "first", "built", "by", "Horace", "de", "Saussure", "in", "1767", ".", "A", "basic", "box", "cooker", "consists", "of", "an", "insulated", "container", "with", "a", "transparent", "lid", ".", "It", "can", "be", "used", "effectively", "with", "partially", "overcast", "skies", "and", "will", "typically", "reach", "temperatures", "of", "90–150", "°", "C", "(", "194–302", "°", "F", ")", ".", "Panel", "cookers", "use", "a", "reflective", "panel", "to", "direct", "sunlight", "onto", "an", "insulated", "container", "and", "reach", "temperatures", "comparable", "to", "box", "cookers", ".", "Reflector", "cookers", "use", "various", "concentrating", "geometries", "(", "dish", ",", "trough", ",", "Fresnel", "mirrors", ")", "to", "focus", "light", "on", "a", "cooking", "container", ".", "These", "cookers", "reach", "temperatures", "of", "315", "°", "C", "(", "599", "°", "F", ")", "and", "above", "but", "require", "direct", "light", "to", "function", "properly", "and", "must", "be", "repositioned", "to", "track", "the", "Sun", "." ], "offsets": [ 0, 6, 14, 18, 27, 31, 38, 40, 47, 51, 65, 67, 72, 76, 79, 87, 92, 98, 104, 114, 116, 120, 127, 129, 135, 143, 147, 157, 164, 166, 170, 179, 185, 192, 195, 199, 203, 210, 216, 222, 225, 232, 235, 244, 247, 251, 253, 255, 261, 265, 272, 281, 284, 287, 297, 307, 312, 314, 326, 329, 331, 334, 338, 341, 346, 358, 363, 373, 382, 388, 392, 397, 407, 413, 426, 429, 436, 437, 439, 440, 448, 449, 450, 451, 453, 459, 467, 471, 473, 484, 490, 493, 500, 509, 514, 517, 527, 537, 541, 547, 560, 571, 574, 578, 585, 587, 597, 605, 609, 617, 631, 642, 643, 647, 649, 655, 657, 665, 672, 674, 677, 683, 689, 692, 694, 702, 711, 713, 719, 727, 733, 746, 749, 753, 754, 756, 757, 761, 762, 763, 765, 769, 775, 779, 787, 794, 800, 803, 812, 821, 825, 830, 833, 846, 849, 855, 859, 862 ] }

{ "tokens": [ "Reflector", "cookers", "can", "reach", "temperatures", "in", "Celsius", "of", "up", "to", "what", "?" ], "offsets": [ 0, 10, 18, 22, 28, 41, 44, 52, 55, 58, 61, 65 ] }

{ "text": [ "315" ], "char_spans": [ { "start": [ 749 ], "end": [ 751 ] } ], "token_spans": [ { "start": [ 132 ], "end": [ 132 ] } ] }

[ "315" ]

{ "tokens": [ "Solar", "cookers", "use", "sunlight", "for", "cooking", ",", "drying", "and", "pasteurization", ".", "They", "can", "be", "grouped", "into", "three", "broad", "categories", ":", "box", "cookers", ",", "panel", "cookers", "and", "reflector", "cookers", ".", "The", "simplest", "solar", "cooker", "is", "the", "box", "cooker", "first", "built", "by", "Horace", "de", "Saussure", "in", "1767", ".", "A", "basic", "box", "cooker", "consists", "of", "an", "insulated", "container", "with", "a", "transparent", "lid", ".", "It", "can", "be", "used", "effectively", "with", "partially", "overcast", "skies", "and", "will", "typically", "reach", "temperatures", "of", "90–150", "°", "C", "(", "194–302", "°", "F", ")", ".", "Panel", "cookers", "use", "a", "reflective", "panel", "to", "direct", "sunlight", "onto", "an", "insulated", "container", "and", "reach", "temperatures", "comparable", "to", "box", "cookers", ".", "Reflector", "cookers", "use", "various", "concentrating", "geometries", "(", "dish", ",", "trough", ",", "Fresnel", "mirrors", ")", "to", "focus", "light", "on", "a", "cooking", "container", ".", "These", "cookers", "reach", "temperatures", "of", "315", "°", "C", "(", "599", "°", "F", ")", "and", "above", "but", "require", "direct", "light", "to", "function", "properly", "and", "must", "be", "repositioned", "to", "track", "the", "Sun", "." ], "offsets": [ 0, 6, 14, 18, 27, 31, 38, 40, 47, 51, 65, 67, 72, 76, 79, 87, 92, 98, 104, 114, 116, 120, 127, 129, 135, 143, 147, 157, 164, 166, 170, 179, 185, 192, 195, 199, 203, 210, 216, 222, 225, 232, 235, 244, 247, 251, 253, 255, 261, 265, 272, 281, 284, 287, 297, 307, 312, 314, 326, 329, 331, 334, 338, 341, 346, 358, 363, 373, 382, 388, 392, 397, 407, 413, 426, 429, 436, 437, 439, 440, 448, 449, 450, 451, 453, 459, 467, 471, 473, 484, 490, 493, 500, 509, 514, 517, 527, 537, 541, 547, 560, 571, 574, 578, 585, 587, 597, 605, 609, 617, 631, 642, 643, 647, 649, 655, 657, 665, 672, 674, 677, 683, 689, 692, 694, 702, 711, 713, 719, 727, 733, 746, 749, 753, 754, 756, 757, 761, 762, 763, 765, 769, 775, 779, 787, 794, 800, 803, 812, 821, 825, 830, 833, 846, 849, 855, 859, 862 ] }

{ "tokens": [ "What", "are", "solar", "cookers", "used", "for", "?" ], "offsets": [ 0, 5, 9, 15, 23, 28, 31 ] }

{ "text": [ "cooking, drying and pasteurization" ], "char_spans": [ { "start": [ 31 ], "end": [ 64 ] } ], "token_spans": [ { "start": [ 5 ], "end": [ 9 ] } ] }

[ "cooking, drying and pasteurization" ]

{ "tokens": [ "Solar", "cookers", "use", "sunlight", "for", "cooking", ",", "drying", "and", "pasteurization", ".", "They", "can", "be", "grouped", "into", "three", "broad", "categories", ":", "box", "cookers", ",", "panel", "cookers", "and", "reflector", "cookers", ".", "The", "simplest", "solar", "cooker", "is", "the", "box", "cooker", "first", "built", "by", "Horace", "de", "Saussure", "in", "1767", ".", "A", "basic", "box", "cooker", "consists", "of", "an", "insulated", "container", "with", "a", "transparent", "lid", ".", "It", "can", "be", "used", "effectively", "with", "partially", "overcast", "skies", "and", "will", "typically", "reach", "temperatures", "of", "90–150", "°", "C", "(", "194–302", "°", "F", ")", ".", "Panel", "cookers", "use", "a", "reflective", "panel", "to", "direct", "sunlight", "onto", "an", "insulated", "container", "and", "reach", "temperatures", "comparable", "to", "box", "cookers", ".", "Reflector", "cookers", "use", "various", "concentrating", "geometries", "(", "dish", ",", "trough", ",", "Fresnel", "mirrors", ")", "to", "focus", "light", "on", "a", "cooking", "container", ".", "These", "cookers", "reach", "temperatures", "of", "315", "°", "C", "(", "599", "°", "F", ")", "and", "above", "but", "require", "direct", "light", "to", "function", "properly", "and", "must", "be", "repositioned", "to", "track", "the", "Sun", "." ], "offsets": [ 0, 6, 14, 18, 27, 31, 38, 40, 47, 51, 65, 67, 72, 76, 79, 87, 92, 98, 104, 114, 116, 120, 127, 129, 135, 143, 147, 157, 164, 166, 170, 179, 185, 192, 195, 199, 203, 210, 216, 222, 225, 232, 235, 244, 247, 251, 253, 255, 261, 265, 272, 281, 284, 287, 297, 307, 312, 314, 326, 329, 331, 334, 338, 341, 346, 358, 363, 373, 382, 388, 392, 397, 407, 413, 426, 429, 436, 437, 439, 440, 448, 449, 450, 451, 453, 459, 467, 471, 473, 484, 490, 493, 500, 509, 514, 517, 527, 537, 541, 547, 560, 571, 574, 578, 585, 587, 597, 605, 609, 617, 631, 642, 643, 647, 649, 655, 657, 665, 672, 674, 677, 683, 689, 692, 694, 702, 711, 713, 719, 727, 733, 746, 749, 753, 754, 756, 757, 761, 762, 763, 765, 769, 775, 779, 787, 794, 800, 803, 812, 821, 825, 830, 833, 846, 849, 855, 859, 862 ] }

{ "tokens": [ "What", "are", "the", "3", "main", "categories", "of", "solar", "cookers", "?" ], "offsets": [ 0, 5, 9, 13, 15, 20, 31, 34, 40, 47 ] }

{ "text": [ "box cookers, panel cookers and reflector cookers" ], "char_spans": [ { "start": [ 116 ], "end": [ 163 ] } ], "token_spans": [ { "start": [ 20 ], "end": [ 27 ] } ] }

[ "box cookers, panel cookers and reflector cookers" ]

{ "tokens": [ "Solar", "cookers", "use", "sunlight", "for", "cooking", ",", "drying", "and", "pasteurization", ".", "They", "can", "be", "grouped", "into", "three", "broad", "categories", ":", "box", "cookers", ",", "panel", "cookers", "and", "reflector", "cookers", ".", "The", "simplest", "solar", "cooker", "is", "the", "box", "cooker", "first", "built", "by", "Horace", "de", "Saussure", "in", "1767", ".", "A", "basic", "box", "cooker", "consists", "of", "an", "insulated", "container", "with", "a", "transparent", "lid", ".", "It", "can", "be", "used", "effectively", "with", "partially", "overcast", "skies", "and", "will", "typically", "reach", "temperatures", "of", "90–150", "°", "C", "(", "194–302", "°", "F", ")", ".", "Panel", "cookers", "use", "a", "reflective", "panel", "to", "direct", "sunlight", "onto", "an", "insulated", "container", "and", "reach", "temperatures", "comparable", "to", "box", "cookers", ".", "Reflector", "cookers", "use", "various", "concentrating", "geometries", "(", "dish", ",", "trough", ",", "Fresnel", "mirrors", ")", "to", "focus", "light", "on", "a", "cooking", "container", ".", "These", "cookers", "reach", "temperatures", "of", "315", "°", "C", "(", "599", "°", "F", ")", "and", "above", "but", "require", "direct", "light", "to", "function", "properly", "and", "must", "be", "repositioned", "to", "track", "the", "Sun", "." ], "offsets": [ 0, 6, 14, 18, 27, 31, 38, 40, 47, 51, 65, 67, 72, 76, 79, 87, 92, 98, 104, 114, 116, 120, 127, 129, 135, 143, 147, 157, 164, 166, 170, 179, 185, 192, 195, 199, 203, 210, 216, 222, 225, 232, 235, 244, 247, 251, 253, 255, 261, 265, 272, 281, 284, 287, 297, 307, 312, 314, 326, 329, 331, 334, 338, 341, 346, 358, 363, 373, 382, 388, 392, 397, 407, 413, 426, 429, 436, 437, 439, 440, 448, 449, 450, 451, 453, 459, 467, 471, 473, 484, 490, 493, 500, 509, 514, 517, 527, 537, 541, 547, 560, 571, 574, 578, 585, 587, 597, 605, 609, 617, 631, 642, 643, 647, 649, 655, 657, 665, 672, 674, 677, 683, 689, 692, 694, 702, 711, 713, 719, 727, 733, 746, 749, 753, 754, 756, 757, 761, 762, 763, 765, 769, 775, 779, 787, 794, 800, 803, 812, 821, 825, 830, 833, 846, 849, 855, 859, 862 ] }

{ "tokens": [ "Who", "created", "the", "box", "cooker", "?" ], "offsets": [ 0, 4, 12, 16, 20, 26 ] }

{ "text": [ "Horace de Saussure" ], "char_spans": [ { "start": [ 225 ], "end": [ 242 ] } ], "token_spans": [ { "start": [ 40 ], "end": [ 42 ] } ] }

[ "Horace de Saussure" ]

{ "tokens": [ "Solar", "cookers", "use", "sunlight", "for", "cooking", ",", "drying", "and", "pasteurization", ".", "They", "can", "be", "grouped", "into", "three", "broad", "categories", ":", "box", "cookers", ",", "panel", "cookers", "and", "reflector", "cookers", ".", "The", "simplest", "solar", "cooker", "is", "the", "box", "cooker", "first", "built", "by", "Horace", "de", "Saussure", "in", "1767", ".", "A", "basic", "box", "cooker", "consists", "of", "an", "insulated", "container", "with", "a", "transparent", "lid", ".", "It", "can", "be", "used", "effectively", "with", "partially", "overcast", "skies", "and", "will", "typically", "reach", "temperatures", "of", "90–150", "°", "C", "(", "194–302", "°", "F", ")", ".", "Panel", "cookers", "use", "a", "reflective", "panel", "to", "direct", "sunlight", "onto", "an", "insulated", "container", "and", "reach", "temperatures", "comparable", "to", "box", "cookers", ".", "Reflector", "cookers", "use", "various", "concentrating", "geometries", "(", "dish", ",", "trough", ",", "Fresnel", "mirrors", ")", "to", "focus", "light", "on", "a", "cooking", "container", ".", "These", "cookers", "reach", "temperatures", "of", "315", "°", "C", "(", "599", "°", "F", ")", "and", "above", "but", "require", "direct", "light", "to", "function", "properly", "and", "must", "be", "repositioned", "to", "track", "the", "Sun", "." ], "offsets": [ 0, 6, 14, 18, 27, 31, 38, 40, 47, 51, 65, 67, 72, 76, 79, 87, 92, 98, 104, 114, 116, 120, 127, 129, 135, 143, 147, 157, 164, 166, 170, 179, 185, 192, 195, 199, 203, 210, 216, 222, 225, 232, 235, 244, 247, 251, 253, 255, 261, 265, 272, 281, 284, 287, 297, 307, 312, 314, 326, 329, 331, 334, 338, 341, 346, 358, 363, 373, 382, 388, 392, 397, 407, 413, 426, 429, 436, 437, 439, 440, 448, 449, 450, 451, 453, 459, 467, 471, 473, 484, 490, 493, 500, 509, 514, 517, 527, 537, 541, 547, 560, 571, 574, 578, 585, 587, 597, 605, 609, 617, 631, 642, 643, 647, 649, 655, 657, 665, 672, 674, 677, 683, 689, 692, 694, 702, 711, 713, 719, 727, 733, 746, 749, 753, 754, 756, 757, 761, 762, 763, 765, 769, 775, 779, 787, 794, 800, 803, 812, 821, 825, 830, 833, 846, 849, 855, 859, 862 ] }

{ "tokens": [ "What", "is", "the", "typical", "temperature", "range", "for", "a", "box", "cooker", "?" ], "offsets": [ 0, 5, 8, 12, 20, 32, 38, 42, 44, 48, 54 ] }

{ "text": [ "90–150 °C (194–302 °F)" ], "char_spans": [ { "start": [ 429 ], "end": [ 450 ] } ], "token_spans": [ { "start": [ 75 ], "end": [ 82 ] } ] }

[ "90–150 °C (194–302 °F)" ]

{ "tokens": [ "Solar", "cookers", "use", "sunlight", "for", "cooking", ",", "drying", "and", "pasteurization", ".", "They", "can", "be", "grouped", "into", "three", "broad", "categories", ":", "box", "cookers", ",", "panel", "cookers", "and", "reflector", "cookers", ".", "The", "simplest", "solar", "cooker", "is", "the", "box", "cooker", "first", "built", "by", "Horace", "de", "Saussure", "in", "1767", ".", "A", "basic", "box", "cooker", "consists", "of", "an", "insulated", "container", "with", "a", "transparent", "lid", ".", "It", "can", "be", "used", "effectively", "with", "partially", "overcast", "skies", "and", "will", "typically", "reach", "temperatures", "of", "90–150", "°", "C", "(", "194–302", "°", "F", ")", ".", "Panel", "cookers", "use", "a", "reflective", "panel", "to", "direct", "sunlight", "onto", "an", "insulated", "container", "and", "reach", "temperatures", "comparable", "to", "box", "cookers", ".", "Reflector", "cookers", "use", "various", "concentrating", "geometries", "(", "dish", ",", "trough", ",", "Fresnel", "mirrors", ")", "to", "focus", "light", "on", "a", "cooking", "container", ".", "These", "cookers", "reach", "temperatures", "of", "315", "°", "C", "(", "599", "°", "F", ")", "and", "above", "but", "require", "direct", "light", "to", "function", "properly", "and", "must", "be", "repositioned", "to", "track", "the", "Sun", "." ], "offsets": [ 0, 6, 14, 18, 27, 31, 38, 40, 47, 51, 65, 67, 72, 76, 79, 87, 92, 98, 104, 114, 116, 120, 127, 129, 135, 143, 147, 157, 164, 166, 170, 179, 185, 192, 195, 199, 203, 210, 216, 222, 225, 232, 235, 244, 247, 251, 253, 255, 261, 265, 272, 281, 284, 287, 297, 307, 312, 314, 326, 329, 331, 334, 338, 341, 346, 358, 363, 373, 382, 388, 392, 397, 407, 413, 426, 429, 436, 437, 439, 440, 448, 449, 450, 451, 453, 459, 467, 471, 473, 484, 490, 493, 500, 509, 514, 517, 527, 537, 541, 547, 560, 571, 574, 578, 585, 587, 597, 605, 609, 617, 631, 642, 643, 647, 649, 655, 657, 665, 672, 674, 677, 683, 689, 692, 694, 702, 711, 713, 719, 727, 733, 746, 749, 753, 754, 756, 757, 761, 762, 763, 765, 769, 775, 779, 787, 794, 800, 803, 812, 821, 825, 830, 833, 846, 849, 855, 859, 862 ] }

{ "tokens": [ "What", "do", "reflector", "cookers", "require", "to", "function", "?" ], "offsets": [ 0, 5, 8, 18, 26, 34, 37, 45 ] }

{ "text": [ "direct light" ], "char_spans": [ { "start": [ 787 ], "end": [ 798 ] } ], "token_spans": [ { "start": [ 144 ], "end": [ 145 ] } ] }

[ "direct light" ]

{ "tokens": [ "In", "1975", ",", "the", "first", "practical", "solar", "boat", "was", "constructed", "in", "England", ".", "By", "1995", ",", "passenger", "boats", "incorporating", "PV", "panels", "began", "appearing", "and", "are", "now", "used", "extensively", ".", "In", "1996", ",", "Kenichi", "Horie", "made", "the", "first", "solar", "powered", "crossing", "of", "the", "Pacific", "Ocean", ",", "and", "the", "sun21", "catamaran", "made", "the", "first", "solar", "powered", "crossing", "of", "the", "Atlantic", "Ocean", "in", "the", "winter", "of", "2006–2007", ".", "There", "were", "plans", "to", "circumnavigate", "the", "globe", "in", "2010", "." ], "offsets": [ 0, 3, 7, 9, 13, 19, 29, 35, 40, 44, 56, 59, 66, 68, 71, 75, 77, 87, 93, 107, 110, 117, 123, 133, 137, 141, 145, 150, 161, 163, 166, 170, 172, 180, 186, 191, 195, 201, 207, 215, 224, 227, 231, 239, 244, 246, 250, 254, 260, 270, 275, 279, 285, 291, 299, 308, 311, 315, 324, 330, 333, 337, 344, 347, 356, 358, 364, 369, 375, 378, 393, 397, 403, 406, 410 ] }

{ "tokens": [ "The", "first", "practical", "solar", "boat", "was", "constructed", "in", "what", "year", "?" ], "offsets": [ 0, 4, 10, 20, 26, 31, 35, 47, 50, 55, 59 ] }

{ "text": [ "1975" ], "char_spans": [ { "start": [ 3 ], "end": [ 6 ] } ], "token_spans": [ { "start": [ 1 ], "end": [ 1 ] } ] }

[ "1975" ]

{ "tokens": [ "In", "1975", ",", "the", "first", "practical", "solar", "boat", "was", "constructed", "in", "England", ".", "By", "1995", ",", "passenger", "boats", "incorporating", "PV", "panels", "began", "appearing", "and", "are", "now", "used", "extensively", ".", "In", "1996", ",", "Kenichi", "Horie", "made", "the", "first", "solar", "powered", "crossing", "of", "the", "Pacific", "Ocean", ",", "and", "the", "sun21", "catamaran", "made", "the", "first", "solar", "powered", "crossing", "of", "the", "Atlantic", "Ocean", "in", "the", "winter", "of", "2006–2007", ".", "There", "were", "plans", "to", "circumnavigate", "the", "globe", "in", "2010", "." ], "offsets": [ 0, 3, 7, 9, 13, 19, 29, 35, 40, 44, 56, 59, 66, 68, 71, 75, 77, 87, 93, 107, 110, 117, 123, 133, 137, 141, 145, 150, 161, 163, 166, 170, 172, 180, 186, 191, 195, 201, 207, 215, 224, 227, 231, 239, 244, 246, 250, 254, 260, 270, 275, 279, 285, 291, 299, 308, 311, 315, 324, 330, 333, 337, 344, 347, 356, 358, 364, 369, 375, 378, 393, 397, 403, 406, 410 ] }

{ "tokens": [ "When", "was", "the", "first", "solar", "powered", "boat", "made", "?" ], "offsets": [ 0, 5, 9, 13, 19, 25, 33, 38, 42 ] }

{ "text": [ "1975" ], "char_spans": [ { "start": [ 3 ], "end": [ 6 ] } ], "token_spans": [ { "start": [ 1 ], "end": [ 1 ] } ] }

[ "1975" ]

{ "tokens": [ "In", "1975", ",", "the", "first", "practical", "solar", "boat", "was", "constructed", "in", "England", ".", "By", "1995", ",", "passenger", "boats", "incorporating", "PV", "panels", "began", "appearing", "and", "are", "now", "used", "extensively", ".", "In", "1996", ",", "Kenichi", "Horie", "made", "the", "first", "solar", "powered", "crossing", "of", "the", "Pacific", "Ocean", ",", "and", "the", "sun21", "catamaran", "made", "the", "first", "solar", "powered", "crossing", "of", "the", "Atlantic", "Ocean", "in", "the", "winter", "of", "2006–2007", ".", "There", "were", "plans", "to", "circumnavigate", "the", "globe", "in", "2010", "." ], "offsets": [ 0, 3, 7, 9, 13, 19, 29, 35, 40, 44, 56, 59, 66, 68, 71, 75, 77, 87, 93, 107, 110, 117, 123, 133, 137, 141, 145, 150, 161, 163, 166, 170, 172, 180, 186, 191, 195, 201, 207, 215, 224, 227, 231, 239, 244, 246, 250, 254, 260, 270, 275, 279, 285, 291, 299, 308, 311, 315, 324, 330, 333, 337, 344, 347, 356, 358, 364, 369, 375, 378, 393, 397, 403, 406, 410 ] }

{ "tokens": [ "Who", "first", "crossed", "the", "Pacific", "ocean", "using", "a", "solar", "powered", "boat", "?" ], "offsets": [ 0, 4, 10, 18, 22, 30, 36, 42, 44, 50, 58, 62 ] }

{ "text": [ "Kenichi Horie" ], "char_spans": [ { "start": [ 172 ], "end": [ 184 ] } ], "token_spans": [ { "start": [ 32 ], "end": [ 33 ] } ] }

[ "Kenichi Horie" ]

{ "tokens": [ "In", "1975", ",", "the", "first", "practical", "solar", "boat", "was", "constructed", "in", "England", ".", "By", "1995", ",", "passenger", "boats", "incorporating", "PV", "panels", "began", "appearing", "and", "are", "now", "used", "extensively", ".", "In", "1996", ",", "Kenichi", "Horie", "made", "the", "first", "solar", "powered", "crossing", "of", "the", "Pacific", "Ocean", ",", "and", "the", "sun21", "catamaran", "made", "the", "first", "solar", "powered", "crossing", "of", "the", "Atlantic", "Ocean", "in", "the", "winter", "of", "2006–2007", ".", "There", "were", "plans", "to", "circumnavigate", "the", "globe", "in", "2010", "." ], "offsets": [ 0, 3, 7, 9, 13, 19, 29, 35, 40, 44, 56, 59, 66, 68, 71, 75, 77, 87, 93, 107, 110, 117, 123, 133, 137, 141, 145, 150, 161, 163, 166, 170, 172, 180, 186, 191, 195, 201, 207, 215, 224, 227, 231, 239, 244, 246, 250, 254, 260, 270, 275, 279, 285, 291, 299, 308, 311, 315, 324, 330, 333, 337, 344, 347, 356, 358, 364, 369, 375, 378, 393, 397, 403, 406, 410 ] }

{ "tokens": [ "What", "was", "the", "name", "of", "the", "first", "solar", "powered", "boat", "that", "crossed", "the", "Atlantic", "ocean", "?" ], "offsets": [ 0, 5, 9, 13, 18, 21, 25, 31, 37, 45, 50, 55, 63, 67, 76, 81 ] }

{ "text": [ "the sun21 catamaran" ], "char_spans": [ { "start": [ 250 ], "end": [ 268 ] } ], "token_spans": [ { "start": [ 46 ], "end": [ 48 ] } ] }

[ "the sun21 catamaran" ]

{ "tokens": [ "Tom", "Robinson", "is", "the", "chief", "example", "among", "several", "innocents", "destroyed", "carelessly", "or", "deliberately", "throughout", "the", "novel", ".", "However", ",", "scholar", "Christopher", "Metress", "connects", "the", "mockingbird", "to", "Boo", "Radley", ":", "\"", "Instead", "of", "wanting", "to", "exploit", "Boo", "for", "her", "own", "fun", "(", "as", "she", "does", "in", "the", "beginning", "of", "the", "novel", "by", "putting", "on", "gothic", "plays", "about", "his", "history", ")", ",", "Scout", "comes", "to", "see", "him", "as", "a", "'", "mockingbird'—that", "is", ",", "as", "someone", "with", "an", "inner", "goodness", "that", "must", "be", "cherished", ".", "\"", "The", "last", "pages", "of", "the", "book", "illustrate", "this", "as", "Scout", "relates", "the", "moral", "of", "a", "story", "Atticus", "has", "been", "reading", "to", "her", ",", "and", "in", "allusions", "to", "both", "Boo", "Radley", "and", "Tom", "Robinson", "states", "about", "a", "character", "who", "was", "misunderstood", ",", "\"", "when", "they", "finally", "saw", "him", ",", "why", "he", "had", "n't", "done", "any", "of", "those", "things", "...", "Atticus", ",", "he", "was", "real", "nice", ",", "\"", "to", "which", "he", "responds", ",", "\"", "Most", "people", "are", ",", "Scout", ",", "when", "you", "finally", "see", "them", ".", "\"" ], "offsets": [ 0, 4, 13, 16, 20, 26, 34, 40, 48, 58, 68, 79, 82, 95, 106, 110, 115, 117, 124, 126, 134, 146, 154, 163, 167, 179, 182, 186, 192, 194, 195, 203, 206, 214, 217, 225, 229, 233, 237, 241, 245, 246, 249, 253, 258, 261, 265, 275, 278, 282, 288, 291, 299, 302, 309, 315, 321, 325, 332, 333, 335, 341, 347, 350, 354, 358, 361, 363, 364, 382, 384, 386, 389, 397, 402, 405, 411, 420, 425, 430, 433, 442, 443, 445, 449, 454, 460, 463, 467, 472, 483, 488, 491, 497, 505, 509, 515, 518, 520, 526, 534, 538, 543, 551, 554, 557, 559, 563, 566, 576, 579, 584, 588, 595, 599, 603, 612, 619, 625, 627, 637, 641, 645, 658, 660, 661, 666, 671, 679, 683, 686, 688, 692, 695, 698, 702, 707, 711, 714, 720, 727, 731, 738, 740, 743, 747, 752, 756, 757, 759, 762, 768, 771, 779, 781, 782, 787, 794, 797, 799, 804, 806, 811, 815, 823, 827, 831, 832 ] }

{ "tokens": [ "Who", "is", "the", "main", "example", "of", "an", "innocent", "destroyed", "in", "the", "novel", "?" ], "offsets": [ 0, 4, 7, 11, 16, 24, 27, 30, 39, 49, 52, 56, 61 ] }

{ "text": [ "Tom Robinson" ], "char_spans": [ { "start": [ 0, 599 ], "end": [ 11, 610 ] } ], "token_spans": [ { "start": [ 0, 114 ], "end": [ 1, 115 ] } ] }

[ "Tom Robinson" ]

{ "tokens": [ "Tom", "Robinson", "is", "the", "chief", "example", "among", "several", "innocents", "destroyed", "carelessly", "or", "deliberately", "throughout", "the", "novel", ".", "However", ",", "scholar", "Christopher", "Metress", "connects", "the", "mockingbird", "to", "Boo", "Radley", ":", "\"", "Instead", "of", "wanting", "to", "exploit", "Boo", "for", "her", "own", "fun", "(", "as", "she", "does", "in", "the", "beginning", "of", "the", "novel", "by", "putting", "on", "gothic", "plays", "about", "his", "history", ")", ",", "Scout", "comes", "to", "see", "him", "as", "a", "'", "mockingbird'—that", "is", ",", "as", "someone", "with", "an", "inner", "goodness", "that", "must", "be", "cherished", ".", "\"", "The", "last", "pages", "of", "the", "book", "illustrate", "this", "as", "Scout", "relates", "the", "moral", "of", "a", "story", "Atticus", "has", "been", "reading", "to", "her", ",", "and", "in", "allusions", "to", "both", "Boo", "Radley", "and", "Tom", "Robinson", "states", "about", "a", "character", "who", "was", "misunderstood", ",", "\"", "when", "they", "finally", "saw", "him", ",", "why", "he", "had", "n't", "done", "any", "of", "those", "things", "...", "Atticus", ",", "he", "was", "real", "nice", ",", "\"", "to", "which", "he", "responds", ",", "\"", "Most", "people", "are", ",", "Scout", ",", "when", "you", "finally", "see", "them", ".", "\"" ], "offsets": [ 0, 4, 13, 16, 20, 26, 34, 40, 48, 58, 68, 79, 82, 95, 106, 110, 115, 117, 124, 126, 134, 146, 154, 163, 167, 179, 182, 186, 192, 194, 195, 203, 206, 214, 217, 225, 229, 233, 237, 241, 245, 246, 249, 253, 258, 261, 265, 275, 278, 282, 288, 291, 299, 302, 309, 315, 321, 325, 332, 333, 335, 341, 347, 350, 354, 358, 361, 363, 364, 382, 384, 386, 389, 397, 402, 405, 411, 420, 425, 430, 433, 442, 443, 445, 449, 454, 460, 463, 467, 472, 483, 488, 491, 497, 505, 509, 515, 518, 520, 526, 534, 538, 543, 551, 554, 557, 559, 563, 566, 576, 579, 584, 588, 595, 599, 603, 612, 619, 625, 627, 637, 641, 645, 658, 660, 661, 666, 671, 679, 683, 686, 688, 692, 695, 698, 702, 707, 711, 714, 720, 727, 731, 738, 740, 743, 747, 752, 756, 757, 759, 762, 768, 771, 779, 781, 782, 787, 794, 797, 799, 804, 806, 811, 815, 823, 827, 831, 832 ] }

{ "tokens": [ "What", " ", "does", "Scout", "see", "symbollically", "as", "a", "mockingbird", "?" ], "offsets": [ 0, 5, 6, 11, 17, 21, 35, 38, 40, 51 ] }

{ "text": [ "Boo Radley" ], "char_spans": [ { "start": [ 182 ], "end": [ 191 ] } ], "token_spans": [ { "start": [ 26 ], "end": [ 27 ] } ] }

[ "Boo Radley" ]

{ "tokens": [ "Tom", "Robinson", "is", "the", "chief", "example", "among", "several", "innocents", "destroyed", "carelessly", "or", "deliberately", "throughout", "the", "novel", ".", "However", ",", "scholar", "Christopher", "Metress", "connects", "the", "mockingbird", "to", "Boo", "Radley", ":", "\"", "Instead", "of", "wanting", "to", "exploit", "Boo", "for", "her", "own", "fun", "(", "as", "she", "does", "in", "the", "beginning", "of", "the", "novel", "by", "putting", "on", "gothic", "plays", "about", "his", "history", ")", ",", "Scout", "comes", "to", "see", "him", "as", "a", "'", "mockingbird'—that", "is", ",", "as", "someone", "with", "an", "inner", "goodness", "that", "must", "be", "cherished", ".", "\"", "The", "last", "pages", "of", "the", "book", "illustrate", "this", "as", "Scout", "relates", "the", "moral", "of", "a", "story", "Atticus", "has", "been", "reading", "to", "her", ",", "and", "in", "allusions", "to", "both", "Boo", "Radley", "and", "Tom", "Robinson", "states", "about", "a", "character", "who", "was", "misunderstood", ",", "\"", "when", "they", "finally", "saw", "him", ",", "why", "he", "had", "n't", "done", "any", "of", "those", "things", "...", "Atticus", ",", "he", "was", "real", "nice", ",", "\"", "to", "which", "he", "responds", ",", "\"", "Most", "people", "are", ",", "Scout", ",", "when", "you", "finally", "see", "them", ".", "\"" ], "offsets": [ 0, 4, 13, 16, 20, 26, 34, 40, 48, 58, 68, 79, 82, 95, 106, 110, 115, 117, 124, 126, 134, 146, 154, 163, 167, 179, 182, 186, 192, 194, 195, 203, 206, 214, 217, 225, 229, 233, 237, 241, 245, 246, 249, 253, 258, 261, 265, 275, 278, 282, 288, 291, 299, 302, 309, 315, 321, 325, 332, 333, 335, 341, 347, 350, 354, 358, 361, 363, 364, 382, 384, 386, 389, 397, 402, 405, 411, 420, 425, 430, 433, 442, 443, 445, 449, 454, 460, 463, 467, 472, 483, 488, 491, 497, 505, 509, 515, 518, 520, 526, 534, 538, 543, 551, 554, 557, 559, 563, 566, 576, 579, 584, 588, 595, 599, 603, 612, 619, 625, 627, 637, 641, 645, 658, 660, 661, 666, 671, 679, 683, 686, 688, 692, 695, 698, 702, 707, 711, 714, 720, 727, 731, 738, 740, 743, 747, 752, 756, 757, 759, 762, 768, 771, 779, 781, 782, 787, 794, 797, 799, 804, 806, 811, 815, 823, 827, 831, 832 ] }

{ "tokens": [ "According", "to", "Atticus", ",", "most", "people", "are", "how", "when", "you", "truly", "view", "them", "?" ], "offsets": [ 0, 10, 13, 20, 22, 27, 34, 38, 42, 47, 51, 57, 62, 66 ] }

{ "text": [ "real nice" ], "char_spans": [ { "start": [ 747 ], "end": [ 755 ] } ], "token_spans": [ { "start": [ 145 ], "end": [ 146 ] } ] }

[ "real nice" ]

{ "tokens": [ "Thermal", "mass", "is", "any", "material", "that", "can", "be", "used", "to", "store", "heat", "—", "heat", "from", "the", "Sun", "in", "the", "case", "of", "solar", "energy", ".", "Common", "thermal", "mass", "materials", "include", "stone", ",", "cement", "and", "water", ".", "Historically", "they", "have", "been", "used", "in", "arid", "climates", "or", "warm", "temperate", "regions", "to", "keep", "buildings", "cool", "by", "absorbing", "solar", "energy", "during", "the", "day", "and", "radiating", "stored", "heat", "to", "the", "cooler", "atmosphere", "at", "night", ".", "However", ",", "they", "can", "be", "used", "in", "cold", "temperate", "areas", "to", "maintain", "warmth", "as", "well", ".", "The", "size", "and", "placement", "of", "thermal", "mass", "depend", "on", "several", "factors", "such", "as", "climate", ",", "daylighting", "and", "shading", "conditions", ".", "When", "properly", "incorporated", ",", "thermal", "mass", "maintains", "space", "temperatures", "in", "a", "comfortable", "range", "and", "reduces", "the", "need", "for", "auxiliary", "heating", "and", "cooling", "equipment", "." ], "offsets": [ 0, 8, 13, 16, 20, 29, 34, 38, 41, 46, 49, 55, 59, 60, 65, 70, 74, 78, 81, 85, 90, 93, 99, 105, 107, 114, 122, 127, 137, 145, 150, 152, 159, 163, 168, 170, 183, 188, 193, 198, 203, 206, 211, 220, 223, 228, 238, 246, 249, 254, 264, 269, 272, 282, 288, 295, 302, 306, 310, 314, 324, 331, 336, 339, 343, 350, 361, 364, 369, 371, 378, 380, 385, 389, 392, 397, 400, 405, 415, 421, 424, 433, 440, 443, 447, 449, 453, 458, 462, 472, 475, 483, 488, 495, 498, 506, 514, 519, 522, 529, 531, 543, 547, 555, 565, 567, 572, 581, 593, 595, 603, 608, 618, 624, 637, 640, 642, 654, 660, 664, 672, 676, 681, 685, 695, 703, 707, 715, 724 ] }

{ "tokens": [ "Materials", "that", "can", "be", "used", "to", "store", "heat", "are", "known", "as", "what", "kind", "of", "mass", "?" ], "offsets": [ 0, 10, 15, 19, 22, 27, 30, 36, 41, 45, 51, 54, 59, 64, 67, 71 ] }

{ "text": [ "Thermal" ], "char_spans": [ { "start": [ 595, 0, 114, 475 ], "end": [ 601, 6, 120, 481 ] } ], "token_spans": [ { "start": [ 109, 0, 25, 90 ], "end": [ 109, 0, 25, 90 ] } ] }

[ "Thermal" ]

{ "tokens": [ "Thermal", "mass", "is", "any", "material", "that", "can", "be", "used", "to", "store", "heat", "—", "heat", "from", "the", "Sun", "in", "the", "case", "of", "solar", "energy", ".", "Common", "thermal", "mass", "materials", "include", "stone", ",", "cement", "and", "water", ".", "Historically", "they", "have", "been", "used", "in", "arid", "climates", "or", "warm", "temperate", "regions", "to", "keep", "buildings", "cool", "by", "absorbing", "solar", "energy", "during", "the", "day", "and", "radiating", "stored", "heat", "to", "the", "cooler", "atmosphere", "at", "night", ".", "However", ",", "they", "can", "be", "used", "in", "cold", "temperate", "areas", "to", "maintain", "warmth", "as", "well", ".", "The", "size", "and", "placement", "of", "thermal", "mass", "depend", "on", "several", "factors", "such", "as", "climate", ",", "daylighting", "and", "shading", "conditions", ".", "When", "properly", "incorporated", ",", "thermal", "mass", "maintains", "space", "temperatures", "in", "a", "comfortable", "range", "and", "reduces", "the", "need", "for", "auxiliary", "heating", "and", "cooling", "equipment", "." ], "offsets": [ 0, 8, 13, 16, 20, 29, 34, 38, 41, 46, 49, 55, 59, 60, 65, 70, 74, 78, 81, 85, 90, 93, 99, 105, 107, 114, 122, 127, 137, 145, 150, 152, 159, 163, 168, 170, 183, 188, 193, 198, 203, 206, 211, 220, 223, 228, 238, 246, 249, 254, 264, 269, 272, 282, 288, 295, 302, 306, 310, 314, 324, 331, 336, 339, 343, 350, 361, 364, 369, 371, 378, 380, 385, 389, 392, 397, 400, 405, 415, 421, 424, 433, 440, 443, 447, 449, 453, 458, 462, 472, 475, 483, 488, 495, 498, 506, 514, 519, 522, 529, 531, 543, 547, 555, 565, 567, 572, 581, 593, 595, 603, 608, 618, 624, 637, 640, 642, 654, 660, 664, 672, 676, 681, 685, 695, 703, 707, 715, 724 ] }

{ "tokens": [ "What", "is", "thermal", "mass", "?" ], "offsets": [ 0, 5, 8, 16, 20 ] }

{ "text": [ "any material that can be used to store heat" ], "char_spans": [ { "start": [ 16 ], "end": [ 58 ] } ], "token_spans": [ { "start": [ 3 ], "end": [ 11 ] } ] }

[ "any material that can be used to store heat" ]

{ "tokens": [ "Thermal", "mass", "is", "any", "material", "that", "can", "be", "used", "to", "store", "heat", "—", "heat", "from", "the", "Sun", "in", "the", "case", "of", "solar", "energy", ".", "Common", "thermal", "mass", "materials", "include", "stone", ",", "cement", "and", "water", ".", "Historically", "they", "have", "been", "used", "in", "arid", "climates", "or", "warm", "temperate", "regions", "to", "keep", "buildings", "cool", "by", "absorbing", "solar", "energy", "during", "the", "day", "and", "radiating", "stored", "heat", "to", "the", "cooler", "atmosphere", "at", "night", ".", "However", ",", "they", "can", "be", "used", "in", "cold", "temperate", "areas", "to", "maintain", "warmth", "as", "well", ".", "The", "size", "and", "placement", "of", "thermal", "mass", "depend", "on", "several", "factors", "such", "as", "climate", ",", "daylighting", "and", "shading", "conditions", ".", "When", "properly", "incorporated", ",", "thermal", "mass", "maintains", "space", "temperatures", "in", "a", "comfortable", "range", "and", "reduces", "the", "need", "for", "auxiliary", "heating", "and", "cooling", "equipment", "." ], "offsets": [ 0, 8, 13, 16, 20, 29, 34, 38, 41, 46, 49, 55, 59, 60, 65, 70, 74, 78, 81, 85, 90, 93, 99, 105, 107, 114, 122, 127, 137, 145, 150, 152, 159, 163, 168, 170, 183, 188, 193, 198, 203, 206, 211, 220, 223, 228, 238, 246, 249, 254, 264, 269, 272, 282, 288, 295, 302, 306, 310, 314, 324, 331, 336, 339, 343, 350, 361, 364, 369, 371, 378, 380, 385, 389, 392, 397, 400, 405, 415, 421, 424, 433, 440, 443, 447, 449, 453, 458, 462, 472, 475, 483, 488, 495, 498, 506, 514, 519, 522, 529, 531, 543, 547, 555, 565, 567, 572, 581, 593, 595, 603, 608, 618, 624, 637, 640, 642, 654, 660, 664, 672, 676, 681, 685, 695, 703, 707, 715, 724 ] }

{ "tokens": [ "What", "are", "typical", "thermal", "mass", "material", "?" ], "offsets": [ 0, 5, 9, 17, 25, 30, 38 ] }

{ "text": [ "stone, cement and water" ], "char_spans": [ { "start": [ 145 ], "end": [ 167 ] } ], "token_spans": [ { "start": [ 29 ], "end": [ 33 ] } ] }

[ "stone, cement and water" ]

{ "tokens": [ "Thermal", "mass", "is", "any", "material", "that", "can", "be", "used", "to", "store", "heat", "—", "heat", "from", "the", "Sun", "in", "the", "case", "of", "solar", "energy", ".", "Common", "thermal", "mass", "materials", "include", "stone", ",", "cement", "and", "water", ".", "Historically", "they", "have", "been", "used", "in", "arid", "climates", "or", "warm", "temperate", "regions", "to", "keep", "buildings", "cool", "by", "absorbing", "solar", "energy", "during", "the", "day", "and", "radiating", "stored", "heat", "to", "the", "cooler", "atmosphere", "at", "night", ".", "However", ",", "they", "can", "be", "used", "in", "cold", "temperate", "areas", "to", "maintain", "warmth", "as", "well", ".", "The", "size", "and", "placement", "of", "thermal", "mass", "depend", "on", "several", "factors", "such", "as", "climate", ",", "daylighting", "and", "shading", "conditions", ".", "When", "properly", "incorporated", ",", "thermal", "mass", "maintains", "space", "temperatures", "in", "a", "comfortable", "range", "and", "reduces", "the", "need", "for", "auxiliary", "heating", "and", "cooling", "equipment", "." ], "offsets": [ 0, 8, 13, 16, 20, 29, 34, 38, 41, 46, 49, 55, 59, 60, 65, 70, 74, 78, 81, 85, 90, 93, 99, 105, 107, 114, 122, 127, 137, 145, 150, 152, 159, 163, 168, 170, 183, 188, 193, 198, 203, 206, 211, 220, 223, 228, 238, 246, 249, 254, 264, 269, 272, 282, 288, 295, 302, 306, 310, 314, 324, 331, 336, 339, 343, 350, 361, 364, 369, 371, 378, 380, 385, 389, 392, 397, 400, 405, 415, 421, 424, 433, 440, 443, 447, 449, 453, 458, 462, 472, 475, 483, 488, 495, 498, 506, 514, 519, 522, 529, 531, 543, 547, 555, 565, 567, 572, 581, 593, 595, 603, 608, 618, 624, 637, 640, 642, 654, 660, 664, 672, 676, 681, 685, 695, 703, 707, 715, 724 ] }

{ "tokens": [ "How", "is", "thermal", "mass", "used", "to", "keep", "buildings", "cool", "?" ], "offsets": [ 0, 4, 7, 15, 20, 25, 28, 33, 43, 47 ] }

{ "text": [ "by absorbing solar energy during the day and radiating stored heat to the cooler atmosphere at night" ], "char_spans": [ { "start": [ 269 ], "end": [ 368 ] } ], "token_spans": [ { "start": [ 51 ], "end": [ 67 ] } ] }

[ "by absorbing solar energy during the day and radiating stored heat to the cooler atmosphere at night" ]

{ "tokens": [ "Thermal", "mass", "is", "any", "material", "that", "can", "be", "used", "to", "store", "heat", "—", "heat", "from", "the", "Sun", "in", "the", "case", "of", "solar", "energy", ".", "Common", "thermal", "mass", "materials", "include", "stone", ",", "cement", "and", "water", ".", "Historically", "they", "have", "been", "used", "in", "arid", "climates", "or", "warm", "temperate", "regions", "to", "keep", "buildings", "cool", "by", "absorbing", "solar", "energy", "during", "the", "day", "and", "radiating", "stored", "heat", "to", "the", "cooler", "atmosphere", "at", "night", ".", "However", ",", "they", "can", "be", "used", "in", "cold", "temperate", "areas", "to", "maintain", "warmth", "as", "well", ".", "The", "size", "and", "placement", "of", "thermal", "mass", "depend", "on", "several", "factors", "such", "as", "climate", ",", "daylighting", "and", "shading", "conditions", ".", "When", "properly", "incorporated", ",", "thermal", "mass", "maintains", "space", "temperatures", "in", "a", "comfortable", "range", "and", "reduces", "the", "need", "for", "auxiliary", "heating", "and", "cooling", "equipment", "." ], "offsets": [ 0, 8, 13, 16, 20, 29, 34, 38, 41, 46, 49, 55, 59, 60, 65, 70, 74, 78, 81, 85, 90, 93, 99, 105, 107, 114, 122, 127, 137, 145, 150, 152, 159, 163, 168, 170, 183, 188, 193, 198, 203, 206, 211, 220, 223, 228, 238, 246, 249, 254, 264, 269, 272, 282, 288, 295, 302, 306, 310, 314, 324, 331, 336, 339, 343, 350, 361, 364, 369, 371, 378, 380, 385, 389, 392, 397, 400, 405, 415, 421, 424, 433, 440, 443, 447, 449, 453, 458, 462, 472, 475, 483, 488, 495, 498, 506, 514, 519, 522, 529, 531, 543, 547, 555, 565, 567, 572, 581, 593, 595, 603, 608, 618, 624, 637, 640, 642, 654, 660, 664, 672, 676, 681, 685, 695, 703, 707, 715, 724 ] }

{ "tokens": [ "What", "is", "a", "something", "that", "determines", "the", "size", "of", "thermal", "mass", "?" ], "offsets": [ 0, 5, 8, 10, 20, 25, 36, 40, 45, 48, 56, 60 ] }

{ "text": [ "climates" ], "char_spans": [ { "start": [ 211 ], "end": [ 218 ] } ], "token_spans": [ { "start": [ 42 ], "end": [ 42 ] } ] }

[ "climates" ]

{ "tokens": [ "Thermal", "mass", "is", "any", "material", "that", "can", "be", "used", "to", "store", "heat", "—", "heat", "from", "the", "Sun", "in", "the", "case", "of", "solar", "energy", ".", "Common", "thermal", "mass", "materials", "include", "stone", ",", "cement", "and", "water", ".", "Historically", "they", "have", "been", "used", "in", "arid", "climates", "or", "warm", "temperate", "regions", "to", "keep", "buildings", "cool", "by", "absorbing", "solar", "energy", "during", "the", "day", "and", "radiating", "stored", "heat", "to", "the", "cooler", "atmosphere", "at", "night", ".", "However", ",", "they", "can", "be", "used", "in", "cold", "temperate", "areas", "to", "maintain", "warmth", "as", "well", ".", "The", "size", "and", "placement", "of", "thermal", "mass", "depend", "on", "several", "factors", "such", "as", "climate", ",", "daylighting", "and", "shading", "conditions", ".", "When", "properly", "incorporated", ",", "thermal", "mass", "maintains", "space", "temperatures", "in", "a", "comfortable", "range", "and", "reduces", "the", "need", "for", "auxiliary", "heating", "and", "cooling", "equipment", "." ], "offsets": [ 0, 8, 13, 16, 20, 29, 34, 38, 41, 46, 49, 55, 59, 60, 65, 70, 74, 78, 81, 85, 90, 93, 99, 105, 107, 114, 122, 127, 137, 145, 150, 152, 159, 163, 168, 170, 183, 188, 193, 198, 203, 206, 211, 220, 223, 228, 238, 246, 249, 254, 264, 269, 272, 282, 288, 295, 302, 306, 310, 314, 324, 331, 336, 339, 343, 350, 361, 364, 369, 371, 378, 380, 385, 389, 392, 397, 400, 405, 415, 421, 424, 433, 440, 443, 447, 449, 453, 458, 462, 472, 475, 483, 488, 495, 498, 506, 514, 519, 522, 529, 531, 543, 547, 555, 565, 567, 572, 581, 593, 595, 603, 608, 618, 624, 637, 640, 642, 654, 660, 664, 672, 676, 681, 685, 695, 703, 707, 715, 724 ] }

{ "tokens": [ "What", "does", "thermal", "mass", "reduce", "the", "need", "for", "?" ], "offsets": [ 0, 5, 10, 18, 23, 30, 34, 39, 42 ] }

{ "text": [ "auxiliary heating and cooling equipment" ], "char_spans": [ { "start": [ 685 ], "end": [ 723 ] } ], "token_spans": [ { "start": [ 123 ], "end": [ 127 ] } ] }

[ "auxiliary heating and cooling equipment" ]

{ "tokens": [ "In", "1974", ",", "the", "unmanned", "AstroFlight", "Sunrise", "plane", "made", "the", "first", "solar", "flight", ".", "On", "29", "April", "1979", ",", "the", "Solar", "Riser", "made", "the", "first", "flight", "in", "a", "solar", "-", "powered", ",", "fully", "controlled", ",", "man", "carrying", "flying", "machine", ",", "reaching", "an", "altitude", "of", "40", "feet", "(", "12", "m", ")", ".", "In", "1980", ",", "the", "Gossamer", "Penguin", "made", "the", "first", "piloted", "flights", "powered", "solely", "by", "photovoltaics", ".", "This", "was", "quickly", "followed", "by", "the", "Solar", "Challenger", "which", "crossed", "the", "English", "Channel", "in", "July", "1981", ".", "In", "1990", "Eric", "Scott", "Raymond", "in", "21", "hops", "flew", "from", "California", "to", "North", "Carolina", "using", "solar", "power", ".", "Developments", "then", "turned", "back", "to", "unmanned", "aerial", "vehicles", "(", "UAV", ")", "with", "the", "Pathfinder", "(", "1997", ")", "and", "subsequent", "designs", ",", "culminating", "in", "the", "Helios", "which", "set", "the", "altitude", "record", "for", "a", "non", "-", "rocket", "-", "propelled", "aircraft", "at", "29,524", "metres", "(", "96,864", "ft", ")", "in", "2001", ".", "The", "Zephyr", ",", "developed", "by", "BAE", "Systems", ",", "is", "the", "latest", "in", "a", "line", "of", "record", "-", "breaking", "solar", "aircraft", ",", "making", "a", "54-hour", "flight", "in", "2007", ",", "and", "month", "-", "long", "flights", "were", "envisioned", "by", "2010", ".", "As", "of", "2015", ",", "Solar", "Impulse", ",", "an", "electric", "aircraft", ",", "is", "currently", "circumnavigating", "the", "globe", ".", "It", "is", "a", "single", "-", "seat", "plane", "powered", "by", "solar", "cells", "and", "capable", "of", "taking", "off", "under", "its", "own", "power", ".", "The", "designed", "allows", "the", "aircraft", "to", "remain", "airborne", "for", "36", "hours", "." ], "offsets": [ 0, 3, 7, 9, 13, 22, 34, 42, 48, 53, 57, 63, 69, 75, 77, 80, 83, 89, 93, 95, 99, 105, 111, 116, 120, 126, 133, 136, 138, 143, 144, 151, 153, 159, 169, 171, 175, 184, 191, 198, 200, 209, 212, 221, 224, 227, 232, 233, 236, 237, 238, 240, 243, 247, 249, 253, 262, 270, 275, 279, 285, 293, 301, 309, 316, 319, 332, 334, 339, 343, 351, 360, 363, 367, 373, 384, 390, 398, 402, 410, 418, 421, 426, 430, 432, 435, 440, 445, 451, 459, 462, 465, 470, 475, 480, 491, 494, 500, 509, 515, 521, 526, 528, 541, 546, 553, 558, 561, 570, 577, 586, 587, 590, 592, 597, 601, 612, 613, 617, 619, 623, 634, 641, 643, 655, 658, 662, 669, 675, 679, 683, 692, 699, 703, 705, 708, 709, 715, 716, 726, 735, 738, 745, 752, 753, 760, 762, 764, 767, 771, 773, 777, 783, 785, 795, 798, 802, 809, 811, 814, 818, 825, 828, 830, 835, 838, 844, 845, 854, 860, 868, 870, 877, 879, 887, 894, 897, 901, 903, 907, 912, 913, 918, 926, 931, 942, 945, 949, 951, 954, 957, 961, 963, 969, 976, 978, 981, 990, 998, 1000, 1003, 1013, 1030, 1034, 1039, 1041, 1044, 1047, 1049, 1055, 1056, 1061, 1067, 1075, 1078, 1084, 1090, 1094, 1102, 1105, 1112, 1116, 1122, 1126, 1130, 1135, 1137, 1141, 1150, 1157, 1161, 1170, 1173, 1180, 1189, 1193, 1196, 1201 ] }

{ "tokens": [ "What", "altitude", "did", "the", "Solar", "Riser", "reach", "in", "feet", "?" ], "offsets": [ 0, 5, 14, 18, 22, 28, 34, 40, 43, 47 ] }

{ "text": [ "40" ], "char_spans": [ { "start": [ 224 ], "end": [ 225 ] } ], "token_spans": [ { "start": [ 44 ], "end": [ 44 ] } ] }

[ "40" ]

{ "tokens": [ "In", "1974", ",", "the", "unmanned", "AstroFlight", "Sunrise", "plane", "made", "the", "first", "solar", "flight", ".", "On", "29", "April", "1979", ",", "the", "Solar", "Riser", "made", "the", "first", "flight", "in", "a", "solar", "-", "powered", ",", "fully", "controlled", ",", "man", "carrying", "flying", "machine", ",", "reaching", "an", "altitude", "of", "40", "feet", "(", "12", "m", ")", ".", "In", "1980", ",", "the", "Gossamer", "Penguin", "made", "the", "first", "piloted", "flights", "powered", "solely", "by", "photovoltaics", ".", "This", "was", "quickly", "followed", "by", "the", "Solar", "Challenger", "which", "crossed", "the", "English", "Channel", "in", "July", "1981", ".", "In", "1990", "Eric", "Scott", "Raymond", "in", "21", "hops", "flew", "from", "California", "to", "North", "Carolina", "using", "solar", "power", ".", "Developments", "then", "turned", "back", "to", "unmanned", "aerial", "vehicles", "(", "UAV", ")", "with", "the", "Pathfinder", "(", "1997", ")", "and", "subsequent", "designs", ",", "culminating", "in", "the", "Helios", "which", "set", "the", "altitude", "record", "for", "a", "non", "-", "rocket", "-", "propelled", "aircraft", "at", "29,524", "metres", "(", "96,864", "ft", ")", "in", "2001", ".", "The", "Zephyr", ",", "developed", "by", "BAE", "Systems", ",", "is", "the", "latest", "in", "a", "line", "of", "record", "-", "breaking", "solar", "aircraft", ",", "making", "a", "54-hour", "flight", "in", "2007", ",", "and", "month", "-", "long", "flights", "were", "envisioned", "by", "2010", ".", "As", "of", "2015", ",", "Solar", "Impulse", ",", "an", "electric", "aircraft", ",", "is", "currently", "circumnavigating", "the", "globe", ".", "It", "is", "a", "single", "-", "seat", "plane", "powered", "by", "solar", "cells", "and", "capable", "of", "taking", "off", "under", "its", "own", "power", ".", "The", "designed", "allows", "the", "aircraft", "to", "remain", "airborne", "for", "36", "hours", "." ], "offsets": [ 0, 3, 7, 9, 13, 22, 34, 42, 48, 53, 57, 63, 69, 75, 77, 80, 83, 89, 93, 95, 99, 105, 111, 116, 120, 126, 133, 136, 138, 143, 144, 151, 153, 159, 169, 171, 175, 184, 191, 198, 200, 209, 212, 221, 224, 227, 232, 233, 236, 237, 238, 240, 243, 247, 249, 253, 262, 270, 275, 279, 285, 293, 301, 309, 316, 319, 332, 334, 339, 343, 351, 360, 363, 367, 373, 384, 390, 398, 402, 410, 418, 421, 426, 430, 432, 435, 440, 445, 451, 459, 462, 465, 470, 475, 480, 491, 494, 500, 509, 515, 521, 526, 528, 541, 546, 553, 558, 561, 570, 577, 586, 587, 590, 592, 597, 601, 612, 613, 617, 619, 623, 634, 641, 643, 655, 658, 662, 669, 675, 679, 683, 692, 699, 703, 705, 708, 709, 715, 716, 726, 735, 738, 745, 752, 753, 760, 762, 764, 767, 771, 773, 777, 783, 785, 795, 798, 802, 809, 811, 814, 818, 825, 828, 830, 835, 838, 844, 845, 854, 860, 868, 870, 877, 879, 887, 894, 897, 901, 903, 907, 912, 913, 918, 926, 931, 942, 945, 949, 951, 954, 957, 961, 963, 969, 976, 978, 981, 990, 998, 1000, 1003, 1013, 1030, 1034, 1039, 1041, 1044, 1047, 1049, 1055, 1056, 1061, 1067, 1075, 1078, 1084, 1090, 1094, 1102, 1105, 1112, 1116, 1122, 1126, 1130, 1135, 1137, 1141, 1150, 1157, 1161, 1170, 1173, 1180, 1189, 1193, 1196, 1201 ] }

{ "tokens": [ "What", "is", "the", "name", "of", "the", "aircraft", "circling", "the", "globe", "in", "2015", "via", "solar", "power", "?" ], "offsets": [ 0, 5, 8, 12, 17, 20, 24, 33, 42, 46, 52, 55, 60, 64, 70, 75 ] }

{ "text": [ "Solar Impulse" ], "char_spans": [ { "start": [ 963 ], "end": [ 975 ] } ], "token_spans": [ { "start": [ 192 ], "end": [ 193 ] } ] }

[ "Solar Impulse" ]

{ "tokens": [ "In", "1974", ",", "the", "unmanned", "AstroFlight", "Sunrise", "plane", "made", "the", "first", "solar", "flight", ".", "On", "29", "April", "1979", ",", "the", "Solar", "Riser", "made", "the", "first", "flight", "in", "a", "solar", "-", "powered", ",", "fully", "controlled", ",", "man", "carrying", "flying", "machine", ",", "reaching", "an", "altitude", "of", "40", "feet", "(", "12", "m", ")", ".", "In", "1980", ",", "the", "Gossamer", "Penguin", "made", "the", "first", "piloted", "flights", "powered", "solely", "by", "photovoltaics", ".", "This", "was", "quickly", "followed", "by", "the", "Solar", "Challenger", "which", "crossed", "the", "English", "Channel", "in", "July", "1981", ".", "In", "1990", "Eric", "Scott", "Raymond", "in", "21", "hops", "flew", "from", "California", "to", "North", "Carolina", "using", "solar", "power", ".", "Developments", "then", "turned", "back", "to", "unmanned", "aerial", "vehicles", "(", "UAV", ")", "with", "the", "Pathfinder", "(", "1997", ")", "and", "subsequent", "designs", ",", "culminating", "in", "the", "Helios", "which", "set", "the", "altitude", "record", "for", "a", "non", "-", "rocket", "-", "propelled", "aircraft", "at", "29,524", "metres", "(", "96,864", "ft", ")", "in", "2001", ".", "The", "Zephyr", ",", "developed", "by", "BAE", "Systems", ",", "is", "the", "latest", "in", "a", "line", "of", "record", "-", "breaking", "solar", "aircraft", ",", "making", "a", "54-hour", "flight", "in", "2007", ",", "and", "month", "-", "long", "flights", "were", "envisioned", "by", "2010", ".", "As", "of", "2015", ",", "Solar", "Impulse", ",", "an", "electric", "aircraft", ",", "is", "currently", "circumnavigating", "the", "globe", ".", "It", "is", "a", "single", "-", "seat", "plane", "powered", "by", "solar", "cells", "and", "capable", "of", "taking", "off", "under", "its", "own", "power", ".", "The", "designed", "allows", "the", "aircraft", "to", "remain", "airborne", "for", "36", "hours", "." ], "offsets": [ 0, 3, 7, 9, 13, 22, 34, 42, 48, 53, 57, 63, 69, 75, 77, 80, 83, 89, 93, 95, 99, 105, 111, 116, 120, 126, 133, 136, 138, 143, 144, 151, 153, 159, 169, 171, 175, 184, 191, 198, 200, 209, 212, 221, 224, 227, 232, 233, 236, 237, 238, 240, 243, 247, 249, 253, 262, 270, 275, 279, 285, 293, 301, 309, 316, 319, 332, 334, 339, 343, 351, 360, 363, 367, 373, 384, 390, 398, 402, 410, 418, 421, 426, 430, 432, 435, 440, 445, 451, 459, 462, 465, 470, 475, 480, 491, 494, 500, 509, 515, 521, 526, 528, 541, 546, 553, 558, 561, 570, 577, 586, 587, 590, 592, 597, 601, 612, 613, 617, 619, 623, 634, 641, 643, 655, 658, 662, 669, 675, 679, 683, 692, 699, 703, 705, 708, 709, 715, 716, 726, 735, 738, 745, 752, 753, 760, 762, 764, 767, 771, 773, 777, 783, 785, 795, 798, 802, 809, 811, 814, 818, 825, 828, 830, 835, 838, 844, 845, 854, 860, 868, 870, 877, 879, 887, 894, 897, 901, 903, 907, 912, 913, 918, 926, 931, 942, 945, 949, 951, 954, 957, 961, 963, 969, 976, 978, 981, 990, 998, 1000, 1003, 1013, 1030, 1034, 1039, 1041, 1044, 1047, 1049, 1055, 1056, 1061, 1067, 1075, 1078, 1084, 1090, 1094, 1102, 1105, 1112, 1116, 1122, 1126, 1130, 1135, 1137, 1141, 1150, 1157, 1161, 1170, 1173, 1180, 1189, 1193, 1196, 1201 ] }

{ "tokens": [ "When", "was", "the", "first", "unmanned", "flight", "by", "a", "solar", "powered", "plane", "made", "?" ], "offsets": [ 0, 5, 9, 13, 19, 28, 35, 38, 40, 46, 54, 60, 64 ] }

{ "text": [ "1974" ], "char_spans": [ { "start": [ 3 ], "end": [ 6 ] } ], "token_spans": [ { "start": [ 1 ], "end": [ 1 ] } ] }

[ "1974" ]

{ "tokens": [ "In", "1974", ",", "the", "unmanned", "AstroFlight", "Sunrise", "plane", "made", "the", "first", "solar", "flight", ".", "On", "29", "April", "1979", ",", "the", "Solar", "Riser", "made", "the", "first", "flight", "in", "a", "solar", "-", "powered", ",", "fully", "controlled", ",", "man", "carrying", "flying", "machine", ",", "reaching", "an", "altitude", "of", "40", "feet", "(", "12", "m", ")", ".", "In", "1980", ",", "the", "Gossamer", "Penguin", "made", "the", "first", "piloted", "flights", "powered", "solely", "by", "photovoltaics", ".", "This", "was", "quickly", "followed", "by", "the", "Solar", "Challenger", "which", "crossed", "the", "English", "Channel", "in", "July", "1981", ".", "In", "1990", "Eric", "Scott", "Raymond", "in", "21", "hops", "flew", "from", "California", "to", "North", "Carolina", "using", "solar", "power", ".", "Developments", "then", "turned", "back", "to", "unmanned", "aerial", "vehicles", "(", "UAV", ")", "with", "the", "Pathfinder", "(", "1997", ")", "and", "subsequent", "designs", ",", "culminating", "in", "the", "Helios", "which", "set", "the", "altitude", "record", "for", "a", "non", "-", "rocket", "-", "propelled", "aircraft", "at", "29,524", "metres", "(", "96,864", "ft", ")", "in", "2001", ".", "The", "Zephyr", ",", "developed", "by", "BAE", "Systems", ",", "is", "the", "latest", "in", "a", "line", "of", "record", "-", "breaking", "solar", "aircraft", ",", "making", "a", "54-hour", "flight", "in", "2007", ",", "and", "month", "-", "long", "flights", "were", "envisioned", "by", "2010", ".", "As", "of", "2015", ",", "Solar", "Impulse", ",", "an", "electric", "aircraft", ",", "is", "currently", "circumnavigating", "the", "globe", ".", "It", "is", "a", "single", "-", "seat", "plane", "powered", "by", "solar", "cells", "and", "capable", "of", "taking", "off", "under", "its", "own", "power", ".", "The", "designed", "allows", "the", "aircraft", "to", "remain", "airborne", "for", "36", "hours", "." ], "offsets": [ 0, 3, 7, 9, 13, 22, 34, 42, 48, 53, 57, 63, 69, 75, 77, 80, 83, 89, 93, 95, 99, 105, 111, 116, 120, 126, 133, 136, 138, 143, 144, 151, 153, 159, 169, 171, 175, 184, 191, 198, 200, 209, 212, 221, 224, 227, 232, 233, 236, 237, 238, 240, 243, 247, 249, 253, 262, 270, 275, 279, 285, 293, 301, 309, 316, 319, 332, 334, 339, 343, 351, 360, 363, 367, 373, 384, 390, 398, 402, 410, 418, 421, 426, 430, 432, 435, 440, 445, 451, 459, 462, 465, 470, 475, 480, 491, 494, 500, 509, 515, 521, 526, 528, 541, 546, 553, 558, 561, 570, 577, 586, 587, 590, 592, 597, 601, 612, 613, 617, 619, 623, 634, 641, 643, 655, 658, 662, 669, 675, 679, 683, 692, 699, 703, 705, 708, 709, 715, 716, 726, 735, 738, 745, 752, 753, 760, 762, 764, 767, 771, 773, 777, 783, 785, 795, 798, 802, 809, 811, 814, 818, 825, 828, 830, 835, 838, 844, 845, 854, 860, 868, 870, 877, 879, 887, 894, 897, 901, 903, 907, 912, 913, 918, 926, 931, 942, 945, 949, 951, 954, 957, 961, 963, 969, 976, 978, 981, 990, 998, 1000, 1003, 1013, 1030, 1034, 1039, 1041, 1044, 1047, 1049, 1055, 1056, 1061, 1067, 1075, 1078, 1084, 1090, 1094, 1102, 1105, 1112, 1116, 1122, 1126, 1130, 1135, 1137, 1141, 1150, 1157, 1161, 1170, 1173, 1180, 1189, 1193, 1196, 1201 ] }

{ "tokens": [ "When", "was", "the", "first", "solar", "powered", "manned", "flight", "made", "?" ], "offsets": [ 0, 5, 9, 13, 19, 25, 33, 40, 47, 51 ] }

{ "text": [ "29 April 1979" ], "char_spans": [ { "start": [ 80 ], "end": [ 92 ] } ], "token_spans": [ { "start": [ 15 ], "end": [ 17 ] } ] }

[ "29 April 1979" ]

{ "tokens": [ "In", "1974", ",", "the", "unmanned", "AstroFlight", "Sunrise", "plane", "made", "the", "first", "solar", "flight", ".", "On", "29", "April", "1979", ",", "the", "Solar", "Riser", "made", "the", "first", "flight", "in", "a", "solar", "-", "powered", ",", "fully", "controlled", ",", "man", "carrying", "flying", "machine", ",", "reaching", "an", "altitude", "of", "40", "feet", "(", "12", "m", ")", ".", "In", "1980", ",", "the", "Gossamer", "Penguin", "made", "the", "first", "piloted", "flights", "powered", "solely", "by", "photovoltaics", ".", "This", "was", "quickly", "followed", "by", "the", "Solar", "Challenger", "which", "crossed", "the", "English", "Channel", "in", "July", "1981", ".", "In", "1990", "Eric", "Scott", "Raymond", "in", "21", "hops", "flew", "from", "California", "to", "North", "Carolina", "using", "solar", "power", ".", "Developments", "then", "turned", "back", "to", "unmanned", "aerial", "vehicles", "(", "UAV", ")", "with", "the", "Pathfinder", "(", "1997", ")", "and", "subsequent", "designs", ",", "culminating", "in", "the", "Helios", "which", "set", "the", "altitude", "record", "for", "a", "non", "-", "rocket", "-", "propelled", "aircraft", "at", "29,524", "metres", "(", "96,864", "ft", ")", "in", "2001", ".", "The", "Zephyr", ",", "developed", "by", "BAE", "Systems", ",", "is", "the", "latest", "in", "a", "line", "of", "record", "-", "breaking", "solar", "aircraft", ",", "making", "a", "54-hour", "flight", "in", "2007", ",", "and", "month", "-", "long", "flights", "were", "envisioned", "by", "2010", ".", "As", "of", "2015", ",", "Solar", "Impulse", ",", "an", "electric", "aircraft", ",", "is", "currently", "circumnavigating", "the", "globe", ".", "It", "is", "a", "single", "-", "seat", "plane", "powered", "by", "solar", "cells", "and", "capable", "of", "taking", "off", "under", "its", "own", "power", ".", "The", "designed", "allows", "the", "aircraft", "to", "remain", "airborne", "for", "36", "hours", "." ], "offsets": [ 0, 3, 7, 9, 13, 22, 34, 42, 48, 53, 57, 63, 69, 75, 77, 80, 83, 89, 93, 95, 99, 105, 111, 116, 120, 126, 133, 136, 138, 143, 144, 151, 153, 159, 169, 171, 175, 184, 191, 198, 200, 209, 212, 221, 224, 227, 232, 233, 236, 237, 238, 240, 243, 247, 249, 253, 262, 270, 275, 279, 285, 293, 301, 309, 316, 319, 332, 334, 339, 343, 351, 360, 363, 367, 373, 384, 390, 398, 402, 410, 418, 421, 426, 430, 432, 435, 440, 445, 451, 459, 462, 465, 470, 475, 480, 491, 494, 500, 509, 515, 521, 526, 528, 541, 546, 553, 558, 561, 570, 577, 586, 587, 590, 592, 597, 601, 612, 613, 617, 619, 623, 634, 641, 643, 655, 658, 662, 669, 675, 679, 683, 692, 699, 703, 705, 708, 709, 715, 716, 726, 735, 738, 745, 752, 753, 760, 762, 764, 767, 771, 773, 777, 783, 785, 795, 798, 802, 809, 811, 814, 818, 825, 828, 830, 835, 838, 844, 845, 854, 860, 868, 870, 877, 879, 887, 894, 897, 901, 903, 907, 912, 913, 918, 926, 931, 942, 945, 949, 951, 954, 957, 961, 963, 969, 976, 978, 981, 990, 998, 1000, 1003, 1013, 1030, 1034, 1039, 1041, 1044, 1047, 1049, 1055, 1056, 1061, 1067, 1075, 1078, 1084, 1090, 1094, 1102, 1105, 1112, 1116, 1122, 1126, 1130, 1135, 1137, 1141, 1150, 1157, 1161, 1170, 1173, 1180, 1189, 1193, 1196, 1201 ] }

{ "tokens": [ "When", "did", "the", "Solar", "Challenger", "cross", "the", "English", "Channel", "?" ], "offsets": [ 0, 5, 9, 13, 19, 30, 36, 40, 48, 55 ] }

{ "text": [ "July 1981" ], "char_spans": [ { "start": [ 421 ], "end": [ 429 ] } ], "token_spans": [ { "start": [ 81 ], "end": [ 82 ] } ] }

[ "July 1981" ]

{ "tokens": [ "In", "1974", ",", "the", "unmanned", "AstroFlight", "Sunrise", "plane", "made", "the", "first", "solar", "flight", ".", "On", "29", "April", "1979", ",", "the", "Solar", "Riser", "made", "the", "first", "flight", "in", "a", "solar", "-", "powered", ",", "fully", "controlled", ",", "man", "carrying", "flying", "machine", ",", "reaching", "an", "altitude", "of", "40", "feet", "(", "12", "m", ")", ".", "In", "1980", ",", "the", "Gossamer", "Penguin", "made", "the", "first", "piloted", "flights", "powered", "solely", "by", "photovoltaics", ".", "This", "was", "quickly", "followed", "by", "the", "Solar", "Challenger", "which", "crossed", "the", "English", "Channel", "in", "July", "1981", ".", "In", "1990", "Eric", "Scott", "Raymond", "in", "21", "hops", "flew", "from", "California", "to", "North", "Carolina", "using", "solar", "power", ".", "Developments", "then", "turned", "back", "to", "unmanned", "aerial", "vehicles", "(", "UAV", ")", "with", "the", "Pathfinder", "(", "1997", ")", "and", "subsequent", "designs", ",", "culminating", "in", "the", "Helios", "which", "set", "the", "altitude", "record", "for", "a", "non", "-", "rocket", "-", "propelled", "aircraft", "at", "29,524", "metres", "(", "96,864", "ft", ")", "in", "2001", ".", "The", "Zephyr", ",", "developed", "by", "BAE", "Systems", ",", "is", "the", "latest", "in", "a", "line", "of", "record", "-", "breaking", "solar", "aircraft", ",", "making", "a", "54-hour", "flight", "in", "2007", ",", "and", "month", "-", "long", "flights", "were", "envisioned", "by", "2010", ".", "As", "of", "2015", ",", "Solar", "Impulse", ",", "an", "electric", "aircraft", ",", "is", "currently", "circumnavigating", "the", "globe", ".", "It", "is", "a", "single", "-", "seat", "plane", "powered", "by", "solar", "cells", "and", "capable", "of", "taking", "off", "under", "its", "own", "power", ".", "The", "designed", "allows", "the", "aircraft", "to", "remain", "airborne", "for", "36", "hours", "." ], "offsets": [ 0, 3, 7, 9, 13, 22, 34, 42, 48, 53, 57, 63, 69, 75, 77, 80, 83, 89, 93, 95, 99, 105, 111, 116, 120, 126, 133, 136, 138, 143, 144, 151, 153, 159, 169, 171, 175, 184, 191, 198, 200, 209, 212, 221, 224, 227, 232, 233, 236, 237, 238, 240, 243, 247, 249, 253, 262, 270, 275, 279, 285, 293, 301, 309, 316, 319, 332, 334, 339, 343, 351, 360, 363, 367, 373, 384, 390, 398, 402, 410, 418, 421, 426, 430, 432, 435, 440, 445, 451, 459, 462, 465, 470, 475, 480, 491, 494, 500, 509, 515, 521, 526, 528, 541, 546, 553, 558, 561, 570, 577, 586, 587, 590, 592, 597, 601, 612, 613, 617, 619, 623, 634, 641, 643, 655, 658, 662, 669, 675, 679, 683, 692, 699, 703, 705, 708, 709, 715, 716, 726, 735, 738, 745, 752, 753, 760, 762, 764, 767, 771, 773, 777, 783, 785, 795, 798, 802, 809, 811, 814, 818, 825, 828, 830, 835, 838, 844, 845, 854, 860, 868, 870, 877, 879, 887, 894, 897, 901, 903, 907, 912, 913, 918, 926, 931, 942, 945, 949, 951, 954, 957, 961, 963, 969, 976, 978, 981, 990, 998, 1000, 1003, 1013, 1030, 1034, 1039, 1041, 1044, 1047, 1049, 1055, 1056, 1061, 1067, 1075, 1078, 1084, 1090, 1094, 1102, 1105, 1112, 1116, 1122, 1126, 1130, 1135, 1137, 1141, 1150, 1157, 1161, 1170, 1173, 1180, 1189, 1193, 1196, 1201 ] }

{ "tokens": [ "Where", "did", "Eric", "Scott", "Raymond", "fly", "using", "a", "solar", "powered", "plane", "in", "1990", "?" ], "offsets": [ 0, 6, 10, 15, 21, 29, 33, 39, 41, 47, 55, 61, 64, 68 ] }

{ "text": [ "California to North Carolina" ], "char_spans": [ { "start": [ 480 ], "end": [ 507 ] } ], "token_spans": [ { "start": [ 94 ], "end": [ 97 ] } ] }

[ "California to North Carolina" ]

{ "tokens": [ "In", "1974", ",", "the", "unmanned", "AstroFlight", "Sunrise", "plane", "made", "the", "first", "solar", "flight", ".", "On", "29", "April", "1979", ",", "the", "Solar", "Riser", "made", "the", "first", "flight", "in", "a", "solar", "-", "powered", ",", "fully", "controlled", ",", "man", "carrying", "flying", "machine", ",", "reaching", "an", "altitude", "of", "40", "feet", "(", "12", "m", ")", ".", "In", "1980", ",", "the", "Gossamer", "Penguin", "made", "the", "first", "piloted", "flights", "powered", "solely", "by", "photovoltaics", ".", "This", "was", "quickly", "followed", "by", "the", "Solar", "Challenger", "which", "crossed", "the", "English", "Channel", "in", "July", "1981", ".", "In", "1990", "Eric", "Scott", "Raymond", "in", "21", "hops", "flew", "from", "California", "to", "North", "Carolina", "using", "solar", "power", ".", "Developments", "then", "turned", "back", "to", "unmanned", "aerial", "vehicles", "(", "UAV", ")", "with", "the", "Pathfinder", "(", "1997", ")", "and", "subsequent", "designs", ",", "culminating", "in", "the", "Helios", "which", "set", "the", "altitude", "record", "for", "a", "non", "-", "rocket", "-", "propelled", "aircraft", "at", "29,524", "metres", "(", "96,864", "ft", ")", "in", "2001", ".", "The", "Zephyr", ",", "developed", "by", "BAE", "Systems", ",", "is", "the", "latest", "in", "a", "line", "of", "record", "-", "breaking", "solar", "aircraft", ",", "making", "a", "54-hour", "flight", "in", "2007", ",", "and", "month", "-", "long", "flights", "were", "envisioned", "by", "2010", ".", "As", "of", "2015", ",", "Solar", "Impulse", ",", "an", "electric", "aircraft", ",", "is", "currently", "circumnavigating", "the", "globe", ".", "It", "is", "a", "single", "-", "seat", "plane", "powered", "by", "solar", "cells", "and", "capable", "of", "taking", "off", "under", "its", "own", "power", ".", "The", "designed", "allows", "the", "aircraft", "to", "remain", "airborne", "for", "36", "hours", "." ], "offsets": [ 0, 3, 7, 9, 13, 22, 34, 42, 48, 53, 57, 63, 69, 75, 77, 80, 83, 89, 93, 95, 99, 105, 111, 116, 120, 126, 133, 136, 138, 143, 144, 151, 153, 159, 169, 171, 175, 184, 191, 198, 200, 209, 212, 221, 224, 227, 232, 233, 236, 237, 238, 240, 243, 247, 249, 253, 262, 270, 275, 279, 285, 293, 301, 309, 316, 319, 332, 334, 339, 343, 351, 360, 363, 367, 373, 384, 390, 398, 402, 410, 418, 421, 426, 430, 432, 435, 440, 445, 451, 459, 462, 465, 470, 475, 480, 491, 494, 500, 509, 515, 521, 526, 528, 541, 546, 553, 558, 561, 570, 577, 586, 587, 590, 592, 597, 601, 612, 613, 617, 619, 623, 634, 641, 643, 655, 658, 662, 669, 675, 679, 683, 692, 699, 703, 705, 708, 709, 715, 716, 726, 735, 738, 745, 752, 753, 760, 762, 764, 767, 771, 773, 777, 783, 785, 795, 798, 802, 809, 811, 814, 818, 825, 828, 830, 835, 838, 844, 845, 854, 860, 868, 870, 877, 879, 887, 894, 897, 901, 903, 907, 912, 913, 918, 926, 931, 942, 945, 949, 951, 954, 957, 961, 963, 969, 976, 978, 981, 990, 998, 1000, 1003, 1013, 1030, 1034, 1039, 1041, 1044, 1047, 1049, 1055, 1056, 1061, 1067, 1075, 1078, 1084, 1090, 1094, 1102, 1105, 1112, 1116, 1122, 1126, 1130, 1135, 1137, 1141, 1150, 1157, 1161, 1170, 1173, 1180, 1189, 1193, 1196, 1201 ] }

{ "tokens": [ "How", "long", "is", "the", "solar", "powered", "plane", "Solar", "Impulse", "able", "to", "remain", "in", "the", "air", "?" ], "offsets": [ 0, 4, 9, 12, 16, 22, 30, 36, 42, 50, 55, 58, 65, 68, 72, 75 ] }

{ "text": [ "36 hours" ], "char_spans": [ { "start": [ 1193 ], "end": [ 1200 ] } ], "token_spans": [ { "start": [ 235 ], "end": [ 236 ] } ] }

[ "36 hours" ]

{ "tokens": [ "Russian", "border", "troops", "were", "stationed", "along", "the", "Tajik", "–", "Afghan", "border", "until", "summer", "2005", ".", "Since", "the", "September", "11", ",", "2001", "attacks", ",", "French", "troops", "have", "been", "stationed", "at", "the", "Dushanbe", "Airport", "in", "support", "of", "air", "operations", "of", "NATO", "'s", "International", "Security", "Assistance", "Force", "in", "Afghanistan", ".", "United", "States", "Army", "and", "Marine", "Corps", "personnel", "periodically", "visit", "Tajikistan", "to", "conduct", "joint", "training", "missions", "of", "up", "to", "several", "weeks", "duration", ".", "The", "Government", "of", "India", "rebuilt", "the", "Ayni", "Air", "Base", ",", "a", "military", "airport", "located", "15", "km", "southwest", "of", "Dushanbe", ",", "at", "a", "cost", "of", "$", "70", "million", ",", "completing", "the", "repairs", "in", "September", "2010", ".", "It", "is", "now", "the", "main", "base", "of", "the", "Tajikistan", "air", "force", ".", "There", "have", "been", "talks", "with", "Russia", "concerning", "use", "of", "the", "Ayni", "facility", ",", "and", "Russia", "continues", "to", "maintain", "a", "large", "base", "on", "the", "outskirts", "of", "Dushanbe", "." ], "offsets": [ 0, 8, 15, 22, 27, 37, 43, 47, 52, 53, 60, 67, 73, 80, 84, 86, 92, 96, 106, 108, 110, 115, 122, 124, 131, 138, 143, 148, 158, 161, 165, 174, 182, 185, 193, 196, 200, 211, 214, 218, 221, 235, 244, 255, 261, 264, 275, 277, 284, 291, 296, 300, 307, 313, 323, 336, 342, 353, 356, 364, 370, 379, 388, 391, 394, 397, 405, 411, 419, 421, 425, 436, 439, 445, 453, 457, 462, 466, 470, 472, 474, 483, 491, 499, 502, 505, 515, 518, 526, 528, 531, 533, 538, 541, 542, 545, 552, 554, 565, 569, 577, 580, 590, 594, 596, 599, 602, 606, 610, 615, 620, 623, 627, 638, 642, 647, 649, 655, 660, 665, 671, 676, 683, 694, 698, 701, 705, 710, 718, 720, 724, 731, 741, 744, 753, 755, 761, 766, 769, 773, 783, 786, 794 ] }

{ "tokens": [ "Who", "was", "stationed", "along", "the", "boarder", "?" ], "offsets": [ 0, 4, 8, 18, 24, 28, 35 ] }

{ "text": [ "Russian border troops" ], "char_spans": [ { "start": [ 0 ], "end": [ 20 ] } ], "token_spans": [ { "start": [ 0 ], "end": [ 2 ] } ] }

[ "Russian border troops" ]

{ "tokens": [ "Russian", "border", "troops", "were", "stationed", "along", "the", "Tajik", "–", "Afghan", "border", "until", "summer", "2005", ".", "Since", "the", "September", "11", ",", "2001", "attacks", ",", "French", "troops", "have", "been", "stationed", "at", "the", "Dushanbe", "Airport", "in", "support", "of", "air", "operations", "of", "NATO", "'s", "International", "Security", "Assistance", "Force", "in", "Afghanistan", ".", "United", "States", "Army", "and", "Marine", "Corps", "personnel", "periodically", "visit", "Tajikistan", "to", "conduct", "joint", "training", "missions", "of", "up", "to", "several", "weeks", "duration", ".", "The", "Government", "of", "India", "rebuilt", "the", "Ayni", "Air", "Base", ",", "a", "military", "airport", "located", "15", "km", "southwest", "of", "Dushanbe", ",", "at", "a", "cost", "of", "$", "70", "million", ",", "completing", "the", "repairs", "in", "September", "2010", ".", "It", "is", "now", "the", "main", "base", "of", "the", "Tajikistan", "air", "force", ".", "There", "have", "been", "talks", "with", "Russia", "concerning", "use", "of", "the", "Ayni", "facility", ",", "and", "Russia", "continues", "to", "maintain", "a", "large", "base", "on", "the", "outskirts", "of", "Dushanbe", "." ], "offsets": [ 0, 8, 15, 22, 27, 37, 43, 47, 52, 53, 60, 67, 73, 80, 84, 86, 92, 96, 106, 108, 110, 115, 122, 124, 131, 138, 143, 148, 158, 161, 165, 174, 182, 185, 193, 196, 200, 211, 214, 218, 221, 235, 244, 255, 261, 264, 275, 277, 284, 291, 296, 300, 307, 313, 323, 336, 342, 353, 356, 364, 370, 379, 388, 391, 394, 397, 405, 411, 419, 421, 425, 436, 439, 445, 453, 457, 462, 466, 470, 472, 474, 483, 491, 499, 502, 505, 515, 518, 526, 528, 531, 533, 538, 541, 542, 545, 552, 554, 565, 569, 577, 580, 590, 594, 596, 599, 602, 606, 610, 615, 620, 623, 627, 638, 642, 647, 649, 655, 660, 665, 671, 676, 683, 694, 698, 701, 705, 710, 718, 720, 724, 731, 741, 744, 753, 755, 761, 766, 769, 773, 783, 786, 794 ] }

{ "tokens": [ "Where", "have", "French", "Troops", "been", "stationed", "since", "September", "11", ",", "2001", "?" ], "offsets": [ 0, 6, 11, 18, 25, 30, 40, 46, 56, 58, 60, 64 ] }

{ "text": [ "at the Dushanbe Airport" ], "char_spans": [ { "start": [ 158 ], "end": [ 180 ] } ], "token_spans": [ { "start": [ 28 ], "end": [ 31 ] } ] }

[ "at the Dushanbe Airport" ]

{ "tokens": [ "Russian", "border", "troops", "were", "stationed", "along", "the", "Tajik", "–", "Afghan", "border", "until", "summer", "2005", ".", "Since", "the", "September", "11", ",", "2001", "attacks", ",", "French", "troops", "have", "been", "stationed", "at", "the", "Dushanbe", "Airport", "in", "support", "of", "air", "operations", "of", "NATO", "'s", "International", "Security", "Assistance", "Force", "in", "Afghanistan", ".", "United", "States", "Army", "and", "Marine", "Corps", "personnel", "periodically", "visit", "Tajikistan", "to", "conduct", "joint", "training", "missions", "of", "up", "to", "several", "weeks", "duration", ".", "The", "Government", "of", "India", "rebuilt", "the", "Ayni", "Air", "Base", ",", "a", "military", "airport", "located", "15", "km", "southwest", "of", "Dushanbe", ",", "at", "a", "cost", "of", "$", "70", "million", ",", "completing", "the", "repairs", "in", "September", "2010", ".", "It", "is", "now", "the", "main", "base", "of", "the", "Tajikistan", "air", "force", ".", "There", "have", "been", "talks", "with", "Russia", "concerning", "use", "of", "the", "Ayni", "facility", ",", "and", "Russia", "continues", "to", "maintain", "a", "large", "base", "on", "the", "outskirts", "of", "Dushanbe", "." ], "offsets": [ 0, 8, 15, 22, 27, 37, 43, 47, 52, 53, 60, 67, 73, 80, 84, 86, 92, 96, 106, 108, 110, 115, 122, 124, 131, 138, 143, 148, 158, 161, 165, 174, 182, 185, 193, 196, 200, 211, 214, 218, 221, 235, 244, 255, 261, 264, 275, 277, 284, 291, 296, 300, 307, 313, 323, 336, 342, 353, 356, 364, 370, 379, 388, 391, 394, 397, 405, 411, 419, 421, 425, 436, 439, 445, 453, 457, 462, 466, 470, 472, 474, 483, 491, 499, 502, 505, 515, 518, 526, 528, 531, 533, 538, 541, 542, 545, 552, 554, 565, 569, 577, 580, 590, 594, 596, 599, 602, 606, 610, 615, 620, 623, 627, 638, 642, 647, 649, 655, 660, 665, 671, 676, 683, 694, 698, 701, 705, 710, 718, 720, 724, 731, 741, 744, 753, 755, 761, 766, 769, 773, 783, 786, 794 ] }

{ "tokens": [ "Why", "do", "US", "troops", "visit", "Tajikistan", "every", "so", "often", "?" ], "offsets": [ 0, 4, 7, 10, 17, 23, 34, 40, 43, 48 ] }

{ "text": [ "to conduct joint training missions of up to several weeks duration." ], "char_spans": [ { "start": [ 353 ], "end": [ 419 ] } ], "token_spans": [ { "start": [ 57 ], "end": [ 68 ] } ] }

[ "to conduct joint training missions of up to several weeks duration." ]

{ "tokens": [ "The", "novel", "is", "cited", "as", "a", "factor", "in", "the", "success", "of", "the", "civil", "rights", "movement", "in", "the", "1960s", ",", "however", ",", "in", "that", "it", "\"", "arrived", "at", "the", "right", "moment", "to", "help", "the", "South", "and", "the", "nation", "grapple", "with", "the", "racial", "tensions", "(", "of", ")", "the", "accelerating", "civil", "rights", "movement", "\"", ".", "Its", "publication", "is", "so", "closely", "associated", "with", "the", "Civil", "Rights", "Movement", "that", "many", "studies", "of", "the", "book", "and", "biographies", "of", "Harper", "Lee", "include", "descriptions", "of", "important", "moments", "in", "the", "movement", ",", "despite", "the", "fact", "that", "she", "had", "no", "direct", "involvement", "in", "any", "of", "them", ".", "Civil", "Rights", "leader", "Andrew", "Young", "comments", "that", "part", "of", "the", "book", "'s", "effectiveness", "is", "that", "it", "\"", "inspires", "hope", "in", "the", "midst", "of", "chaos", "and", "confusion", "\"", "and", "by", "using", "racial", "epithets", "portrays", "the", "reality", "of", "the", "times", "in", "which", "it", "was", "set", ".", "Young", "views", "the", "novel", "as", "\"", "an", "act", "of", "humanity", "\"", "in", "showing", "the", "possibility", "of", "people", "rising", "above", "their", "prejudices", ".", "Alabama", "author", "Mark", "Childress", "compares", "it", "to", "the", "impact", "of", "Uncle", "Tom", "'s", "Cabin", ",", "a", "book", "that", "is", "popularly", "implicated", "in", "starting", "the", "U.S.", "Civil", "War", ".", "Childress", "states", "the", "novel", "\"", "gives", "white", "Southerners", "a", "way", "to", "understand", "the", "racism", "that", "they", "'ve", "been", "brought", "up", "with", "and", "to", "find", "another", "way", ".", "And", "most", "white", "people", "in", "the", "South", "were", "good", "people", ".", "Most", "white", "people", "in", "the", "South", "were", "not", "throwing", "bombs", "and", "causing", "havoc", "...", "I", "think", "the", "book", "really", "helped", "them", "come", "to", "understand", "what", "was", "wrong", "with", "the", "system", "in", "the", "way", "that", "any", "number", "of", "treatises", "could", "never", "do", ",", "because", "it", "was", "popular", "art", ",", "because", "it", "was", "told", "from", "a", "child", "'s", "point", "of", "view", ".", "\"" ], "offsets": [ 0, 4, 10, 13, 19, 22, 24, 31, 34, 38, 46, 49, 53, 59, 66, 75, 78, 82, 87, 89, 96, 98, 101, 106, 109, 110, 118, 121, 125, 131, 138, 141, 146, 150, 156, 160, 164, 171, 179, 184, 188, 195, 204, 205, 207, 209, 213, 226, 232, 239, 247, 248, 250, 254, 266, 269, 272, 280, 291, 296, 300, 306, 313, 322, 327, 332, 340, 343, 347, 352, 356, 368, 371, 378, 382, 390, 403, 406, 416, 424, 427, 431, 439, 441, 449, 453, 458, 463, 467, 471, 474, 481, 493, 496, 500, 503, 507, 509, 515, 522, 529, 536, 542, 551, 556, 561, 564, 568, 572, 575, 589, 592, 597, 600, 601, 610, 615, 618, 622, 628, 631, 637, 641, 650, 652, 656, 659, 665, 672, 681, 690, 694, 702, 705, 709, 715, 718, 724, 727, 731, 734, 736, 742, 748, 752, 758, 761, 762, 765, 769, 772, 780, 782, 785, 793, 797, 809, 812, 819, 826, 832, 838, 848, 850, 858, 865, 870, 880, 889, 892, 895, 899, 906, 909, 915, 918, 921, 926, 928, 930, 935, 940, 943, 953, 964, 967, 976, 980, 985, 991, 994, 996, 1006, 1013, 1017, 1023, 1024, 1030, 1036, 1048, 1050, 1054, 1057, 1068, 1072, 1079, 1084, 1088, 1092, 1097, 1105, 1108, 1113, 1117, 1120, 1125, 1133, 1136, 1138, 1142, 1147, 1153, 1160, 1163, 1167, 1173, 1178, 1183, 1189, 1191, 1196, 1202, 1209, 1212, 1216, 1222, 1227, 1231, 1240, 1246, 1250, 1258, 1264, 1268, 1270, 1276, 1280, 1285, 1292, 1299, 1304, 1309, 1312, 1323, 1328, 1332, 1338, 1343, 1347, 1354, 1357, 1361, 1365, 1370, 1374, 1381, 1384, 1394, 1400, 1406, 1408, 1410, 1418, 1421, 1425, 1433, 1436, 1438, 1446, 1449, 1453, 1458, 1463, 1465, 1470, 1473, 1479, 1482, 1486, 1487 ] }

{ "tokens": [ "What", "movement", "in", "the", "'", "60s", "did", "the", "novel", "help", "spark", "?" ], "offsets": [ 0, 5, 14, 17, 21, 22, 26, 30, 34, 40, 45, 50 ] }

{ "text": [ "civil rights movement" ], "char_spans": [ { "start": [ 53 ], "end": [ 73 ] } ], "token_spans": [ { "start": [ 12 ], "end": [ 14 ] } ] }

[ "civil rights movement" ]

{ "tokens": [ "The", "novel", "is", "cited", "as", "a", "factor", "in", "the", "success", "of", "the", "civil", "rights", "movement", "in", "the", "1960s", ",", "however", ",", "in", "that", "it", "\"", "arrived", "at", "the", "right", "moment", "to", "help", "the", "South", "and", "the", "nation", "grapple", "with", "the", "racial", "tensions", "(", "of", ")", "the", "accelerating", "civil", "rights", "movement", "\"", ".", "Its", "publication", "is", "so", "closely", "associated", "with", "the", "Civil", "Rights", "Movement", "that", "many", "studies", "of", "the", "book", "and", "biographies", "of", "Harper", "Lee", "include", "descriptions", "of", "important", "moments", "in", "the", "movement", ",", "despite", "the", "fact", "that", "she", "had", "no", "direct", "involvement", "in", "any", "of", "them", ".", "Civil", "Rights", "leader", "Andrew", "Young", "comments", "that", "part", "of", "the", "book", "'s", "effectiveness", "is", "that", "it", "\"", "inspires", "hope", "in", "the", "midst", "of", "chaos", "and", "confusion", "\"", "and", "by", "using", "racial", "epithets", "portrays", "the", "reality", "of", "the", "times", "in", "which", "it", "was", "set", ".", "Young", "views", "the", "novel", "as", "\"", "an", "act", "of", "humanity", "\"", "in", "showing", "the", "possibility", "of", "people", "rising", "above", "their", "prejudices", ".", "Alabama", "author", "Mark", "Childress", "compares", "it", "to", "the", "impact", "of", "Uncle", "Tom", "'s", "Cabin", ",", "a", "book", "that", "is", "popularly", "implicated", "in", "starting", "the", "U.S.", "Civil", "War", ".", "Childress", "states", "the", "novel", "\"", "gives", "white", "Southerners", "a", "way", "to", "understand", "the", "racism", "that", "they", "'ve", "been", "brought", "up", "with", "and", "to", "find", "another", "way", ".", "And", "most", "white", "people", "in", "the", "South", "were", "good", "people", ".", "Most", "white", "people", "in", "the", "South", "were", "not", "throwing", "bombs", "and", "causing", "havoc", "...", "I", "think", "the", "book", "really", "helped", "them", "come", "to", "understand", "what", "was", "wrong", "with", "the", "system", "in", "the", "way", "that", "any", "number", "of", "treatises", "could", "never", "do", ",", "because", "it", "was", "popular", "art", ",", "because", "it", "was", "told", "from", "a", "child", "'s", "point", "of", "view", ".", "\"" ], "offsets": [ 0, 4, 10, 13, 19, 22, 24, 31, 34, 38, 46, 49, 53, 59, 66, 75, 78, 82, 87, 89, 96, 98, 101, 106, 109, 110, 118, 121, 125, 131, 138, 141, 146, 150, 156, 160, 164, 171, 179, 184, 188, 195, 204, 205, 207, 209, 213, 226, 232, 239, 247, 248, 250, 254, 266, 269, 272, 280, 291, 296, 300, 306, 313, 322, 327, 332, 340, 343, 347, 352, 356, 368, 371, 378, 382, 390, 403, 406, 416, 424, 427, 431, 439, 441, 449, 453, 458, 463, 467, 471, 474, 481, 493, 496, 500, 503, 507, 509, 515, 522, 529, 536, 542, 551, 556, 561, 564, 568, 572, 575, 589, 592, 597, 600, 601, 610, 615, 618, 622, 628, 631, 637, 641, 650, 652, 656, 659, 665, 672, 681, 690, 694, 702, 705, 709, 715, 718, 724, 727, 731, 734, 736, 742, 748, 752, 758, 761, 762, 765, 769, 772, 780, 782, 785, 793, 797, 809, 812, 819, 826, 832, 838, 848, 850, 858, 865, 870, 880, 889, 892, 895, 899, 906, 909, 915, 918, 921, 926, 928, 930, 935, 940, 943, 953, 964, 967, 976, 980, 985, 991, 994, 996, 1006, 1013, 1017, 1023, 1024, 1030, 1036, 1048, 1050, 1054, 1057, 1068, 1072, 1079, 1084, 1088, 1092, 1097, 1105, 1108, 1113, 1117, 1120, 1125, 1133, 1136, 1138, 1142, 1147, 1153, 1160, 1163, 1167, 1173, 1178, 1183, 1189, 1191, 1196, 1202, 1209, 1212, 1216, 1222, 1227, 1231, 1240, 1246, 1250, 1258, 1264, 1268, 1270, 1276, 1280, 1285, 1292, 1299, 1304, 1309, 1312, 1323, 1328, 1332, 1338, 1343, 1347, 1354, 1357, 1361, 1365, 1370, 1374, 1381, 1384, 1394, 1400, 1406, 1408, 1410, 1418, 1421, 1425, 1433, 1436, 1438, 1446, 1449, 1453, 1458, 1463, 1465, 1470, 1473, 1479, 1482, 1486, 1487 ] }

{ "tokens": [ "Which", "book", "was", "credited", "with", "sparking", "the", "US", "Civil", "War", "?" ], "offsets": [ 0, 6, 11, 15, 24, 29, 38, 42, 45, 51, 54 ] }

{ "text": [ "Uncle Tom's Cabin" ], "char_spans": [ { "start": [ 909 ], "end": [ 925 ] } ], "token_spans": [ { "start": [ 173 ], "end": [ 176 ] } ] }

[ "Uncle Tom's Cabin" ]

{ "tokens": [ "The", "novel", "is", "cited", "as", "a", "factor", "in", "the", "success", "of", "the", "civil", "rights", "movement", "in", "the", "1960s", ",", "however", ",", "in", "that", "it", "\"", "arrived", "at", "the", "right", "moment", "to", "help", "the", "South", "and", "the", "nation", "grapple", "with", "the", "racial", "tensions", "(", "of", ")", "the", "accelerating", "civil", "rights", "movement", "\"", ".", "Its", "publication", "is", "so", "closely", "associated", "with", "the", "Civil", "Rights", "Movement", "that", "many", "studies", "of", "the", "book", "and", "biographies", "of", "Harper", "Lee", "include", "descriptions", "of", "important", "moments", "in", "the", "movement", ",", "despite", "the", "fact", "that", "she", "had", "no", "direct", "involvement", "in", "any", "of", "them", ".", "Civil", "Rights", "leader", "Andrew", "Young", "comments", "that", "part", "of", "the", "book", "'s", "effectiveness", "is", "that", "it", "\"", "inspires", "hope", "in", "the", "midst", "of", "chaos", "and", "confusion", "\"", "and", "by", "using", "racial", "epithets", "portrays", "the", "reality", "of", "the", "times", "in", "which", "it", "was", "set", ".", "Young", "views", "the", "novel", "as", "\"", "an", "act", "of", "humanity", "\"", "in", "showing", "the", "possibility", "of", "people", "rising", "above", "their", "prejudices", ".", "Alabama", "author", "Mark", "Childress", "compares", "it", "to", "the", "impact", "of", "Uncle", "Tom", "'s", "Cabin", ",", "a", "book", "that", "is", "popularly", "implicated", "in", "starting", "the", "U.S.", "Civil", "War", ".", "Childress", "states", "the", "novel", "\"", "gives", "white", "Southerners", "a", "way", "to", "understand", "the", "racism", "that", "they", "'ve", "been", "brought", "up", "with", "and", "to", "find", "another", "way", ".", "And", "most", "white", "people", "in", "the", "South", "were", "good", "people", ".", "Most", "white", "people", "in", "the", "South", "were", "not", "throwing", "bombs", "and", "causing", "havoc", "...", "I", "think", "the", "book", "really", "helped", "them", "come", "to", "understand", "what", "was", "wrong", "with", "the", "system", "in", "the", "way", "that", "any", "number", "of", "treatises", "could", "never", "do", ",", "because", "it", "was", "popular", "art", ",", "because", "it", "was", "told", "from", "a", "child", "'s", "point", "of", "view", ".", "\"" ], "offsets": [ 0, 4, 10, 13, 19, 22, 24, 31, 34, 38, 46, 49, 53, 59, 66, 75, 78, 82, 87, 89, 96, 98, 101, 106, 109, 110, 118, 121, 125, 131, 138, 141, 146, 150, 156, 160, 164, 171, 179, 184, 188, 195, 204, 205, 207, 209, 213, 226, 232, 239, 247, 248, 250, 254, 266, 269, 272, 280, 291, 296, 300, 306, 313, 322, 327, 332, 340, 343, 347, 352, 356, 368, 371, 378, 382, 390, 403, 406, 416, 424, 427, 431, 439, 441, 449, 453, 458, 463, 467, 471, 474, 481, 493, 496, 500, 503, 507, 509, 515, 522, 529, 536, 542, 551, 556, 561, 564, 568, 572, 575, 589, 592, 597, 600, 601, 610, 615, 618, 622, 628, 631, 637, 641, 650, 652, 656, 659, 665, 672, 681, 690, 694, 702, 705, 709, 715, 718, 724, 727, 731, 734, 736, 742, 748, 752, 758, 761, 762, 765, 769, 772, 780, 782, 785, 793, 797, 809, 812, 819, 826, 832, 838, 848, 850, 858, 865, 870, 880, 889, 892, 895, 899, 906, 909, 915, 918, 921, 926, 928, 930, 935, 940, 943, 953, 964, 967, 976, 980, 985, 991, 994, 996, 1006, 1013, 1017, 1023, 1024, 1030, 1036, 1048, 1050, 1054, 1057, 1068, 1072, 1079, 1084, 1088, 1092, 1097, 1105, 1108, 1113, 1117, 1120, 1125, 1133, 1136, 1138, 1142, 1147, 1153, 1160, 1163, 1167, 1173, 1178, 1183, 1189, 1191, 1196, 1202, 1209, 1212, 1216, 1222, 1227, 1231, 1240, 1246, 1250, 1258, 1264, 1268, 1270, 1276, 1280, 1285, 1292, 1299, 1304, 1309, 1312, 1323, 1328, 1332, 1338, 1343, 1347, 1354, 1357, 1361, 1365, 1370, 1374, 1381, 1384, 1394, 1400, 1406, 1408, 1410, 1418, 1421, 1425, 1433, 1436, 1438, 1446, 1449, 1453, 1458, 1463, 1465, 1470, 1473, 1479, 1482, 1486, 1487 ] }

{ "tokens": [ "What", "other", "book", "did", "Mark", "Childress", "compare", "it", "to", "?" ], "offsets": [ 0, 5, 11, 16, 20, 25, 35, 43, 46, 48 ] }

{ "text": [ "Uncle Tom's Cabin" ], "char_spans": [ { "start": [ 909 ], "end": [ 925 ] } ], "token_spans": [ { "start": [ 173 ], "end": [ 176 ] } ] }

[ "Uncle Tom's Cabin" ]

{ "tokens": [ "Concentrating", "Solar", "Power", "(", "CSP", ")", "systems", "use", "lenses", "or", "mirrors", "and", "tracking", "systems", "to", "focus", "a", "large", "area", "of", "sunlight", "into", "a", "small", "beam", ".", "The", "concentrated", "heat", "is", "then", "used", "as", "a", "heat", "source", "for", "a", "conventional", "power", "plant", ".", "A", "wide", "range", "of", "concentrating", "technologies", "exists", ";", "the", "most", "developed", "are", "the", "parabolic", "trough", ",", "the", "concentrating", "linear", "fresnel", "reflector", ",", "the", "Stirling", "dish", "and", "the", "solar", "power", "tower", ".", "Various", "techniques", "are", "used", "to", "track", "the", "Sun", "and", "focus", "light", ".", "In", "all", "of", "these", "systems", "a", "working", "fluid", "is", "heated", "by", "the", "concentrated", "sunlight", ",", "and", "is", "then", "used", "for", "power", "generation", "or", "energy", "storage", "." ], "offsets": [ 0, 14, 20, 26, 27, 30, 32, 40, 44, 51, 54, 62, 66, 75, 83, 86, 92, 94, 100, 105, 108, 117, 122, 124, 130, 134, 136, 140, 153, 158, 161, 166, 171, 174, 176, 181, 188, 192, 194, 207, 213, 218, 220, 222, 227, 233, 236, 250, 263, 269, 271, 275, 280, 290, 294, 298, 308, 314, 316, 320, 334, 341, 349, 358, 360, 364, 373, 378, 382, 386, 392, 398, 403, 405, 413, 424, 428, 433, 436, 442, 446, 450, 454, 460, 465, 467, 470, 474, 477, 483, 491, 493, 501, 507, 510, 517, 520, 524, 537, 545, 547, 551, 554, 559, 564, 568, 574, 585, 588, 595, 602 ] }

{ "tokens": [ "In", "all", "the", "different", "CSP", "systems", ",", "concentrated", "sunlight", "is", "used", "to", "heat", "what", "?" ], "offsets": [ 0, 3, 7, 11, 21, 25, 32, 34, 47, 56, 59, 64, 67, 72, 76 ] }

{ "text": [ "a working fluid" ], "char_spans": [ { "start": [ 491 ], "end": [ 505 ] } ], "token_spans": [ { "start": [ 90 ], "end": [ 92 ] } ] }

[ "a working fluid" ]

{ "tokens": [ "Concentrating", "Solar", "Power", "(", "CSP", ")", "systems", "use", "lenses", "or", "mirrors", "and", "tracking", "systems", "to", "focus", "a", "large", "area", "of", "sunlight", "into", "a", "small", "beam", ".", "The", "concentrated", "heat", "is", "then", "used", "as", "a", "heat", "source", "for", "a", "conventional", "power", "plant", ".", "A", "wide", "range", "of", "concentrating", "technologies", "exists", ";", "the", "most", "developed", "are", "the", "parabolic", "trough", ",", "the", "concentrating", "linear", "fresnel", "reflector", ",", "the", "Stirling", "dish", "and", "the", "solar", "power", "tower", ".", "Various", "techniques", "are", "used", "to", "track", "the", "Sun", "and", "focus", "light", ".", "In", "all", "of", "these", "systems", "a", "working", "fluid", "is", "heated", "by", "the", "concentrated", "sunlight", ",", "and", "is", "then", "used", "for", "power", "generation", "or", "energy", "storage", "." ], "offsets": [ 0, 14, 20, 26, 27, 30, 32, 40, 44, 51, 54, 62, 66, 75, 83, 86, 92, 94, 100, 105, 108, 117, 122, 124, 130, 134, 136, 140, 153, 158, 161, 166, 171, 174, 176, 181, 188, 192, 194, 207, 213, 218, 220, 222, 227, 233, 236, 250, 263, 269, 271, 275, 280, 290, 294, 298, 308, 314, 316, 320, 334, 341, 349, 358, 360, 364, 373, 378, 382, 386, 392, 398, 403, 405, 413, 424, 428, 433, 436, 442, 446, 450, 454, 460, 465, 467, 470, 474, 477, 483, 491, 493, 501, 507, 510, 517, 520, 524, 537, 545, 547, 551, 554, 559, 564, 568, 574, 585, 588, 595, 602 ] }

{ "tokens": [ "What", "do", "Concentrating", "Solar", "Power", "systems", "use", "?" ], "offsets": [ 0, 5, 8, 22, 28, 34, 42, 45 ] }

{ "text": [ "lenses or mirrors and tracking systems" ], "char_spans": [ { "start": [ 44 ], "end": [ 81 ] } ], "token_spans": [ { "start": [ 8 ], "end": [ 13 ] } ] }

[ "lenses or mirrors and tracking systems" ]

{ "tokens": [ "Concentrating", "Solar", "Power", "(", "CSP", ")", "systems", "use", "lenses", "or", "mirrors", "and", "tracking", "systems", "to", "focus", "a", "large", "area", "of", "sunlight", "into", "a", "small", "beam", ".", "The", "concentrated", "heat", "is", "then", "used", "as", "a", "heat", "source", "for", "a", "conventional", "power", "plant", ".", "A", "wide", "range", "of", "concentrating", "technologies", "exists", ";", "the", "most", "developed", "are", "the", "parabolic", "trough", ",", "the", "concentrating", "linear", "fresnel", "reflector", ",", "the", "Stirling", "dish", "and", "the", "solar", "power", "tower", ".", "Various", "techniques", "are", "used", "to", "track", "the", "Sun", "and", "focus", "light", ".", "In", "all", "of", "these", "systems", "a", "working", "fluid", "is", "heated", "by", "the", "concentrated", "sunlight", ",", "and", "is", "then", "used", "for", "power", "generation", "or", "energy", "storage", "." ], "offsets": [ 0, 14, 20, 26, 27, 30, 32, 40, 44, 51, 54, 62, 66, 75, 83, 86, 92, 94, 100, 105, 108, 117, 122, 124, 130, 134, 136, 140, 153, 158, 161, 166, 171, 174, 176, 181, 188, 192, 194, 207, 213, 218, 220, 222, 227, 233, 236, 250, 263, 269, 271, 275, 280, 290, 294, 298, 308, 314, 316, 320, 334, 341, 349, 358, 360, 364, 373, 378, 382, 386, 392, 398, 403, 405, 413, 424, 428, 433, 436, 442, 446, 450, 454, 460, 465, 467, 470, 474, 477, 483, 491, 493, 501, 507, 510, 517, 520, 524, 537, 545, 547, 551, 554, 559, 564, 568, 574, 585, 588, 595, 602 ] }

{ "tokens": [ "What", "is", "the", "heat", "generated", "from", "a", "Concentrating", "Solar", "Power", "system", "used", "for", "?" ], "offsets": [ 0, 5, 8, 12, 17, 27, 32, 34, 48, 54, 60, 67, 72, 75 ] }

{ "text": [ "a heat source for a conventional power plant" ], "char_spans": [ { "start": [ 174 ], "end": [ 217 ] } ], "token_spans": [ { "start": [ 33 ], "end": [ 40 ] } ] }

[ "a heat source for a conventional power plant" ]

{ "tokens": [ "Concentrating", "Solar", "Power", "(", "CSP", ")", "systems", "use", "lenses", "or", "mirrors", "and", "tracking", "systems", "to", "focus", "a", "large", "area", "of", "sunlight", "into", "a", "small", "beam", ".", "The", "concentrated", "heat", "is", "then", "used", "as", "a", "heat", "source", "for", "a", "conventional", "power", "plant", ".", "A", "wide", "range", "of", "concentrating", "technologies", "exists", ";", "the", "most", "developed", "are", "the", "parabolic", "trough", ",", "the", "concentrating", "linear", "fresnel", "reflector", ",", "the", "Stirling", "dish", "and", "the", "solar", "power", "tower", ".", "Various", "techniques", "are", "used", "to", "track", "the", "Sun", "and", "focus", "light", ".", "In", "all", "of", "these", "systems", "a", "working", "fluid", "is", "heated", "by", "the", "concentrated", "sunlight", ",", "and", "is", "then", "used", "for", "power", "generation", "or", "energy", "storage", "." ], "offsets": [ 0, 14, 20, 26, 27, 30, 32, 40, 44, 51, 54, 62, 66, 75, 83, 86, 92, 94, 100, 105, 108, 117, 122, 124, 130, 134, 136, 140, 153, 158, 161, 166, 171, 174, 176, 181, 188, 192, 194, 207, 213, 218, 220, 222, 227, 233, 236, 250, 263, 269, 271, 275, 280, 290, 294, 298, 308, 314, 316, 320, 334, 341, 349, 358, 360, 364, 373, 378, 382, 386, 392, 398, 403, 405, 413, 424, 428, 433, 436, 442, 446, 450, 454, 460, 465, 467, 470, 474, 477, 483, 491, 493, 501, 507, 510, 517, 520, 524, 537, 545, 547, 551, 554, 559, 564, 568, 574, 585, 588, 595, 602 ] }

{ "tokens": [ "What", "is", "one", "of", "the", "most", "developed", "Concentrating", "Solar", "Power", "technologies", "?" ], "offsets": [ 0, 5, 8, 12, 15, 19, 24, 34, 48, 54, 60, 72 ] }

{ "text": [ "the Stirling dish" ], "char_spans": [ { "start": [ 360 ], "end": [ 376 ] } ], "token_spans": [ { "start": [ 64 ], "end": [ 66 ] } ] }

[ "the Stirling dish" ]

{ "tokens": [ "Concentrating", "Solar", "Power", "(", "CSP", ")", "systems", "use", "lenses", "or", "mirrors", "and", "tracking", "systems", "to", "focus", "a", "large", "area", "of", "sunlight", "into", "a", "small", "beam", ".", "The", "concentrated", "heat", "is", "then", "used", "as", "a", "heat", "source", "for", "a", "conventional", "power", "plant", ".", "A", "wide", "range", "of", "concentrating", "technologies", "exists", ";", "the", "most", "developed", "are", "the", "parabolic", "trough", ",", "the", "concentrating", "linear", "fresnel", "reflector", ",", "the", "Stirling", "dish", "and", "the", "solar", "power", "tower", ".", "Various", "techniques", "are", "used", "to", "track", "the", "Sun", "and", "focus", "light", ".", "In", "all", "of", "these", "systems", "a", "working", "fluid", "is", "heated", "by", "the", "concentrated", "sunlight", ",", "and", "is", "then", "used", "for", "power", "generation", "or", "energy", "storage", "." ], "offsets": [ 0, 14, 20, 26, 27, 30, 32, 40, 44, 51, 54, 62, 66, 75, 83, 86, 92, 94, 100, 105, 108, 117, 122, 124, 130, 134, 136, 140, 153, 158, 161, 166, 171, 174, 176, 181, 188, 192, 194, 207, 213, 218, 220, 222, 227, 233, 236, 250, 263, 269, 271, 275, 280, 290, 294, 298, 308, 314, 316, 320, 334, 341, 349, 358, 360, 364, 373, 378, 382, 386, 392, 398, 403, 405, 413, 424, 428, 433, 436, 442, 446, 450, 454, 460, 465, 467, 470, 474, 477, 483, 491, 493, 501, 507, 510, 517, 520, 524, 537, 545, 547, 551, 554, 559, 564, 568, 574, 585, 588, 595, 602 ] }

{ "tokens": [ "What", "do", "Concentrating", "Solar", "Power", "technologies", "have", "in", "common", "?" ], "offsets": [ 0, 5, 8, 22, 28, 34, 47, 52, 55, 61 ] }

{ "text": [ "a working fluid is heated by the concentrated sunlight" ], "char_spans": [ { "start": [ 491 ], "end": [ 544 ] } ], "token_spans": [ { "start": [ 90 ], "end": [ 98 ] } ] }

[ "a working fluid is heated by the concentrated sunlight" ]

{ "tokens": [ "Pumped", "-", "storage", "hydroelectricity", "stores", "energy", "in", "the", "form", "of", "water", "pumped", "when", "energy", "is", "available", "from", "a", "lower", "elevation", "reservoir", "to", "a", "higher", "elevation", "one", ".", "The", "energy", "is", "recovered", "when", "demand", "is", "high", "by", "releasing", "the", "water", ",", "with", "the", "pump", "becoming", "a", "hydroelectric", "power", "generator", "." ], "offsets": [ 0, 6, 7, 15, 32, 39, 46, 49, 53, 58, 61, 67, 74, 79, 86, 89, 99, 104, 106, 112, 122, 132, 135, 137, 144, 154, 157, 159, 163, 170, 173, 183, 188, 195, 198, 203, 206, 216, 220, 225, 227, 232, 236, 241, 250, 252, 266, 272, 281 ] }

{ "tokens": [ "When", "water", "is", "released", "due", "to", "high", "demand", ",", "the", "pump", "become", "swhat", "?" ], "offsets": [ 0, 5, 11, 14, 23, 27, 30, 35, 41, 43, 47, 52, 59, 64 ] }

{ "text": [ "a hydroelectric power generator" ], "char_spans": [ { "start": [ 250 ], "end": [ 280 ] } ], "token_spans": [ { "start": [ 44 ], "end": [ 47 ] } ] }

[ "a hydroelectric power generator" ]

{ "tokens": [ "Pumped", "-", "storage", "hydroelectricity", "stores", "energy", "in", "the", "form", "of", "water", "pumped", "when", "energy", "is", "available", "from", "a", "lower", "elevation", "reservoir", "to", "a", "higher", "elevation", "one", ".", "The", "energy", "is", "recovered", "when", "demand", "is", "high", "by", "releasing", "the", "water", ",", "with", "the", "pump", "becoming", "a", "hydroelectric", "power", "generator", "." ], "offsets": [ 0, 6, 7, 15, 32, 39, 46, 49, 53, 58, 61, 67, 74, 79, 86, 89, 99, 104, 106, 112, 122, 132, 135, 137, 144, 154, 157, 159, 163, 170, 173, 183, 188, 195, 198, 203, 206, 216, 220, 225, 227, 232, 236, 241, 250, 252, 266, 272, 281 ] }

{ "tokens": [ "Pumped", "-", "storage", "hydroelectricity", "stores", "energy", "in", "what", "form", "?" ], "offsets": [ 0, 6, 7, 15, 32, 39, 46, 49, 54, 58 ] }

{ "text": [ "water pumped when energy is available from a lower elevation reservoir to a higher elevation one" ], "char_spans": [ { "start": [ 61 ], "end": [ 156 ] } ], "token_spans": [ { "start": [ 10 ], "end": [ 25 ] } ] }

[ "water pumped when energy is available from a lower elevation reservoir to a higher elevation one" ]

{ "tokens": [ "Pumped", "-", "storage", "hydroelectricity", "stores", "energy", "in", "the", "form", "of", "water", "pumped", "when", "energy", "is", "available", "from", "a", "lower", "elevation", "reservoir", "to", "a", "higher", "elevation", "one", ".", "The", "energy", "is", "recovered", "when", "demand", "is", "high", "by", "releasing", "the", "water", ",", "with", "the", "pump", "becoming", "a", "hydroelectric", "power", "generator", "." ], "offsets": [ 0, 6, 7, 15, 32, 39, 46, 49, 53, 58, 61, 67, 74, 79, 86, 89, 99, 104, 106, 112, 122, 132, 135, 137, 144, 154, 157, 159, 163, 170, 173, 183, 188, 195, 198, 203, 206, 216, 220, 225, 227, 232, 236, 241, 250, 252, 266, 272, 281 ] }

{ "tokens": [ "How", "is", "the", "energy", "stored", "by", "pumped", "-", "storage", "hydroelectricity", "recovered", "?" ], "offsets": [ 0, 4, 7, 11, 18, 25, 28, 34, 35, 43, 60, 69 ] }

{ "text": [ "by releasing the water, with the pump becoming a hydroelectric power generator" ], "char_spans": [ { "start": [ 203 ], "end": [ 280 ] } ], "token_spans": [ { "start": [ 35 ], "end": [ 47 ] } ] }

[ "by releasing the water, with the pump becoming a hydroelectric power generator" ]

{ "tokens": [ "Solar", "distillation", "can", "be", "used", "to", "make", "saline", "or", "brackish", "water", "potable", ".", "The", "first", "recorded", "instance", "of", "this", "was", "by", "16th", "-", "century", "Arab", "alchemists", ".", "A", "large", "-", "scale", "solar", "distillation", "project", "was", "first", "constructed", "in", "1872", "in", "the", "Chilean", "mining", "town", "of", "Las", "Salinas", ".", "The", "plant", ",", "which", "had", "solar", "collection", "area", "of", "4,700", "m2", "(", "51,000", "sq", "ft", ")", ",", "could", "produce", "up", "to", "22,700", "L", "(", "5,000", "imp", "gal", ";", "6,000", "US", "gal", ")", "per", "day", "and", "operate", "for", "40", "years", ".", "Individual", "still", "designs", "include", "single", "-", "slope", ",", "double", "-", "slope", "(", "or", "greenhouse", "type", ")", ",", "vertical", ",", "conical", ",", "inverted", "absorber", ",", "multi", "-", "wick", ",", "and", "multiple", "effect", ".", "These", "stills", "can", "operate", "in", "passive", ",", "active", ",", "or", "hybrid", "modes", ".", "Double", "-", "slope", "stills", "are", "the", "most", "economical", "for", "decentralized", "domestic", "purposes", ",", "while", "active", "multiple", "effect", "units", "are", "more", "suitable", "for", "large", "-", "scale", "applications", "." ], "offsets": [ 0, 6, 19, 23, 26, 31, 34, 39, 46, 49, 58, 64, 71, 73, 77, 83, 92, 101, 104, 109, 113, 116, 120, 121, 129, 134, 144, 146, 148, 153, 154, 160, 166, 179, 187, 191, 197, 209, 212, 217, 220, 224, 232, 239, 244, 247, 251, 258, 260, 264, 269, 271, 277, 281, 287, 298, 303, 306, 312, 315, 316, 323, 326, 328, 329, 331, 337, 345, 348, 351, 358, 360, 361, 367, 371, 374, 376, 382, 385, 388, 390, 394, 398, 402, 410, 414, 417, 422, 424, 435, 441, 449, 457, 463, 464, 469, 471, 477, 478, 484, 485, 488, 499, 503, 504, 506, 514, 516, 523, 525, 534, 542, 544, 549, 550, 554, 556, 560, 569, 575, 577, 583, 590, 594, 602, 605, 612, 614, 620, 622, 625, 632, 637, 639, 645, 646, 652, 659, 663, 667, 672, 683, 687, 701, 710, 718, 720, 726, 733, 742, 749, 755, 759, 764, 773, 777, 782, 783, 789, 801 ] }

{ "tokens": [ "In", "what", "year", "was", "a", "large", "scale", "solar", "distillation", "project", "constructed", "in", "Las", "Salinas", "?" ], "offsets": [ 0, 3, 8, 13, 17, 19, 25, 31, 37, 50, 58, 70, 73, 77, 84 ] }

{ "text": [ "1872" ], "char_spans": [ { "start": [ 212 ], "end": [ 215 ] } ], "token_spans": [ { "start": [ 38 ], "end": [ 38 ] } ] }

[ "1872" ]

{ "tokens": [ "Solar", "distillation", "can", "be", "used", "to", "make", "saline", "or", "brackish", "water", "potable", ".", "The", "first", "recorded", "instance", "of", "this", "was", "by", "16th", "-", "century", "Arab", "alchemists", ".", "A", "large", "-", "scale", "solar", "distillation", "project", "was", "first", "constructed", "in", "1872", "in", "the", "Chilean", "mining", "town", "of", "Las", "Salinas", ".", "The", "plant", ",", "which", "had", "solar", "collection", "area", "of", "4,700", "m2", "(", "51,000", "sq", "ft", ")", ",", "could", "produce", "up", "to", "22,700", "L", "(", "5,000", "imp", "gal", ";", "6,000", "US", "gal", ")", "per", "day", "and", "operate", "for", "40", "years", ".", "Individual", "still", "designs", "include", "single", "-", "slope", ",", "double", "-", "slope", "(", "or", "greenhouse", "type", ")", ",", "vertical", ",", "conical", ",", "inverted", "absorber", ",", "multi", "-", "wick", ",", "and", "multiple", "effect", ".", "These", "stills", "can", "operate", "in", "passive", ",", "active", ",", "or", "hybrid", "modes", ".", "Double", "-", "slope", "stills", "are", "the", "most", "economical", "for", "decentralized", "domestic", "purposes", ",", "while", "active", "multiple", "effect", "units", "are", "more", "suitable", "for", "large", "-", "scale", "applications", "." ], "offsets": [ 0, 6, 19, 23, 26, 31, 34, 39, 46, 49, 58, 64, 71, 73, 77, 83, 92, 101, 104, 109, 113, 116, 120, 121, 129, 134, 144, 146, 148, 153, 154, 160, 166, 179, 187, 191, 197, 209, 212, 217, 220, 224, 232, 239, 244, 247, 251, 258, 260, 264, 269, 271, 277, 281, 287, 298, 303, 306, 312, 315, 316, 323, 326, 328, 329, 331, 337, 345, 348, 351, 358, 360, 361, 367, 371, 374, 376, 382, 385, 388, 390, 394, 398, 402, 410, 414, 417, 422, 424, 435, 441, 449, 457, 463, 464, 469, 471, 477, 478, 484, 485, 488, 499, 503, 504, 506, 514, 516, 523, 525, 534, 542, 544, 549, 550, 554, 556, 560, 569, 575, 577, 583, 590, 594, 602, 605, 612, 614, 620, 622, 625, 632, 637, 639, 645, 646, 652, 659, 663, 667, 672, 683, 687, 701, 710, 718, 720, 726, 733, 742, 749, 755, 759, 764, 773, 777, 782, 783, 789, 801 ] }

{ "tokens": [ "What", "is", "used", "to", "make", "saline", "or", "brackish", "water", "drinkable", "?" ], "offsets": [ 0, 5, 8, 13, 16, 21, 28, 31, 40, 46, 55 ] }

{ "text": [ "Solar distillation" ], "char_spans": [ { "start": [ 0, 160 ], "end": [ 17, 177 ] } ], "token_spans": [ { "start": [ 0, 31 ], "end": [ 1, 32 ] } ] }

[ "Solar distillation" ]

{ "tokens": [ "Solar", "distillation", "can", "be", "used", "to", "make", "saline", "or", "brackish", "water", "potable", ".", "The", "first", "recorded", "instance", "of", "this", "was", "by", "16th", "-", "century", "Arab", "alchemists", ".", "A", "large", "-", "scale", "solar", "distillation", "project", "was", "first", "constructed", "in", "1872", "in", "the", "Chilean", "mining", "town", "of", "Las", "Salinas", ".", "The", "plant", ",", "which", "had", "solar", "collection", "area", "of", "4,700", "m2", "(", "51,000", "sq", "ft", ")", ",", "could", "produce", "up", "to", "22,700", "L", "(", "5,000", "imp", "gal", ";", "6,000", "US", "gal", ")", "per", "day", "and", "operate", "for", "40", "years", ".", "Individual", "still", "designs", "include", "single", "-", "slope", ",", "double", "-", "slope", "(", "or", "greenhouse", "type", ")", ",", "vertical", ",", "conical", ",", "inverted", "absorber", ",", "multi", "-", "wick", ",", "and", "multiple", "effect", ".", "These", "stills", "can", "operate", "in", "passive", ",", "active", ",", "or", "hybrid", "modes", ".", "Double", "-", "slope", "stills", "are", "the", "most", "economical", "for", "decentralized", "domestic", "purposes", ",", "while", "active", "multiple", "effect", "units", "are", "more", "suitable", "for", "large", "-", "scale", "applications", "." ], "offsets": [ 0, 6, 19, 23, 26, 31, 34, 39, 46, 49, 58, 64, 71, 73, 77, 83, 92, 101, 104, 109, 113, 116, 120, 121, 129, 134, 144, 146, 148, 153, 154, 160, 166, 179, 187, 191, 197, 209, 212, 217, 220, 224, 232, 239, 244, 247, 251, 258, 260, 264, 269, 271, 277, 281, 287, 298, 303, 306, 312, 315, 316, 323, 326, 328, 329, 331, 337, 345, 348, 351, 358, 360, 361, 367, 371, 374, 376, 382, 385, 388, 390, 394, 398, 402, 410, 414, 417, 422, 424, 435, 441, 449, 457, 463, 464, 469, 471, 477, 478, 484, 485, 488, 499, 503, 504, 506, 514, 516, 523, 525, 534, 542, 544, 549, 550, 554, 556, 560, 569, 575, 577, 583, 590, 594, 602, 605, 612, 614, 620, 622, 625, 632, 637, 639, 645, 646, 652, 659, 663, 667, 672, 683, 687, 701, 710, 718, 720, 726, 733, 742, 749, 755, 759, 764, 773, 777, 782, 783, 789, 801 ] }

{ "tokens": [ "By", "who", "was", "the", "first", "record", "of", "solar", "distillation", "done", "by", "?" ], "offsets": [ 0, 3, 7, 11, 15, 21, 28, 31, 37, 50, 55, 57 ] }

{ "text": [ "16th-century Arab alchemists" ], "char_spans": [ { "start": [ 116 ], "end": [ 143 ] } ], "token_spans": [ { "start": [ 21 ], "end": [ 25 ] } ] }

[ "16th-century Arab alchemists" ]

{ "tokens": [ "Solar", "distillation", "can", "be", "used", "to", "make", "saline", "or", "brackish", "water", "potable", ".", "The", "first", "recorded", "instance", "of", "this", "was", "by", "16th", "-", "century", "Arab", "alchemists", ".", "A", "large", "-", "scale", "solar", "distillation", "project", "was", "first", "constructed", "in", "1872", "in", "the", "Chilean", "mining", "town", "of", "Las", "Salinas", ".", "The", "plant", ",", "which", "had", "solar", "collection", "area", "of", "4,700", "m2", "(", "51,000", "sq", "ft", ")", ",", "could", "produce", "up", "to", "22,700", "L", "(", "5,000", "imp", "gal", ";", "6,000", "US", "gal", ")", "per", "day", "and", "operate", "for", "40", "years", ".", "Individual", "still", "designs", "include", "single", "-", "slope", ",", "double", "-", "slope", "(", "or", "greenhouse", "type", ")", ",", "vertical", ",", "conical", ",", "inverted", "absorber", ",", "multi", "-", "wick", ",", "and", "multiple", "effect", ".", "These", "stills", "can", "operate", "in", "passive", ",", "active", ",", "or", "hybrid", "modes", ".", "Double", "-", "slope", "stills", "are", "the", "most", "economical", "for", "decentralized", "domestic", "purposes", ",", "while", "active", "multiple", "effect", "units", "are", "more", "suitable", "for", "large", "-", "scale", "applications", "." ], "offsets": [ 0, 6, 19, 23, 26, 31, 34, 39, 46, 49, 58, 64, 71, 73, 77, 83, 92, 101, 104, 109, 113, 116, 120, 121, 129, 134, 144, 146, 148, 153, 154, 160, 166, 179, 187, 191, 197, 209, 212, 217, 220, 224, 232, 239, 244, 247, 251, 258, 260, 264, 269, 271, 277, 281, 287, 298, 303, 306, 312, 315, 316, 323, 326, 328, 329, 331, 337, 345, 348, 351, 358, 360, 361, 367, 371, 374, 376, 382, 385, 388, 390, 394, 398, 402, 410, 414, 417, 422, 424, 435, 441, 449, 457, 463, 464, 469, 471, 477, 478, 484, 485, 488, 499, 503, 504, 506, 514, 516, 523, 525, 534, 542, 544, 549, 550, 554, 556, 560, 569, 575, 577, 583, 590, 594, 602, 605, 612, 614, 620, 622, 625, 632, 637, 639, 645, 646, 652, 659, 663, 667, 672, 683, 687, 701, 710, 718, 720, 726, 733, 742, 749, 755, 759, 764, 773, 777, 782, 783, 789, 801 ] }

{ "tokens": [ "When", "was", "the", "first", "large", "solar", "distillation", "plant", "created", "?" ], "offsets": [ 0, 5, 9, 13, 19, 25, 31, 44, 50, 57 ] }

{ "text": [ "1872" ], "char_spans": [ { "start": [ 212 ], "end": [ 215 ] } ], "token_spans": [ { "start": [ 38 ], "end": [ 38 ] } ] }

[ "1872" ]

{ "tokens": [ "Solar", "distillation", "can", "be", "used", "to", "make", "saline", "or", "brackish", "water", "potable", ".", "The", "first", "recorded", "instance", "of", "this", "was", "by", "16th", "-", "century", "Arab", "alchemists", ".", "A", "large", "-", "scale", "solar", "distillation", "project", "was", "first", "constructed", "in", "1872", "in", "the", "Chilean", "mining", "town", "of", "Las", "Salinas", ".", "The", "plant", ",", "which", "had", "solar", "collection", "area", "of", "4,700", "m2", "(", "51,000", "sq", "ft", ")", ",", "could", "produce", "up", "to", "22,700", "L", "(", "5,000", "imp", "gal", ";", "6,000", "US", "gal", ")", "per", "day", "and", "operate", "for", "40", "years", ".", "Individual", "still", "designs", "include", "single", "-", "slope", ",", "double", "-", "slope", "(", "or", "greenhouse", "type", ")", ",", "vertical", ",", "conical", ",", "inverted", "absorber", ",", "multi", "-", "wick", ",", "and", "multiple", "effect", ".", "These", "stills", "can", "operate", "in", "passive", ",", "active", ",", "or", "hybrid", "modes", ".", "Double", "-", "slope", "stills", "are", "the", "most", "economical", "for", "decentralized", "domestic", "purposes", ",", "while", "active", "multiple", "effect", "units", "are", "more", "suitable", "for", "large", "-", "scale", "applications", "." ], "offsets": [ 0, 6, 19, 23, 26, 31, 34, 39, 46, 49, 58, 64, 71, 73, 77, 83, 92, 101, 104, 109, 113, 116, 120, 121, 129, 134, 144, 146, 148, 153, 154, 160, 166, 179, 187, 191, 197, 209, 212, 217, 220, 224, 232, 239, 244, 247, 251, 258, 260, 264, 269, 271, 277, 281, 287, 298, 303, 306, 312, 315, 316, 323, 326, 328, 329, 331, 337, 345, 348, 351, 358, 360, 361, 367, 371, 374, 376, 382, 385, 388, 390, 394, 398, 402, 410, 414, 417, 422, 424, 435, 441, 449, 457, 463, 464, 469, 471, 477, 478, 484, 485, 488, 499, 503, 504, 506, 514, 516, 523, 525, 534, 542, 544, 549, 550, 554, 556, 560, 569, 575, 577, 583, 590, 594, 602, 605, 612, 614, 620, 622, 625, 632, 637, 639, 645, 646, 652, 659, 663, 667, 672, 683, 687, 701, 710, 718, 720, 726, 733, 742, 749, 755, 759, 764, 773, 777, 782, 783, 789, 801 ] }

{ "tokens": [ "How", "much", "water", "was", "produced", "by", "the", "plant", "?" ], "offsets": [ 0, 4, 9, 15, 19, 28, 31, 35, 40 ] }

{ "text": [ "22,700 L (5,000 imp gal; 6,000 US gal) per day" ], "char_spans": [ { "start": [ 351 ], "end": [ 396 ] } ], "token_spans": [ { "start": [ 69 ], "end": [ 81 ] } ] }

[ "22,700 L (5,000 imp gal; 6,000 US gal) per day" ]

{ "tokens": [ "Solar", "distillation", "can", "be", "used", "to", "make", "saline", "or", "brackish", "water", "potable", ".", "The", "first", "recorded", "instance", "of", "this", "was", "by", "16th", "-", "century", "Arab", "alchemists", ".", "A", "large", "-", "scale", "solar", "distillation", "project", "was", "first", "constructed", "in", "1872", "in", "the", "Chilean", "mining", "town", "of", "Las", "Salinas", ".", "The", "plant", ",", "which", "had", "solar", "collection", "area", "of", "4,700", "m2", "(", "51,000", "sq", "ft", ")", ",", "could", "produce", "up", "to", "22,700", "L", "(", "5,000", "imp", "gal", ";", "6,000", "US", "gal", ")", "per", "day", "and", "operate", "for", "40", "years", ".", "Individual", "still", "designs", "include", "single", "-", "slope", ",", "double", "-", "slope", "(", "or", "greenhouse", "type", ")", ",", "vertical", ",", "conical", ",", "inverted", "absorber", ",", "multi", "-", "wick", ",", "and", "multiple", "effect", ".", "These", "stills", "can", "operate", "in", "passive", ",", "active", ",", "or", "hybrid", "modes", ".", "Double", "-", "slope", "stills", "are", "the", "most", "economical", "for", "decentralized", "domestic", "purposes", ",", "while", "active", "multiple", "effect", "units", "are", "more", "suitable", "for", "large", "-", "scale", "applications", "." ], "offsets": [ 0, 6, 19, 23, 26, 31, 34, 39, 46, 49, 58, 64, 71, 73, 77, 83, 92, 101, 104, 109, 113, 116, 120, 121, 129, 134, 144, 146, 148, 153, 154, 160, 166, 179, 187, 191, 197, 209, 212, 217, 220, 224, 232, 239, 244, 247, 251, 258, 260, 264, 269, 271, 277, 281, 287, 298, 303, 306, 312, 315, 316, 323, 326, 328, 329, 331, 337, 345, 348, 351, 358, 360, 361, 367, 371, 374, 376, 382, 385, 388, 390, 394, 398, 402, 410, 414, 417, 422, 424, 435, 441, 449, 457, 463, 464, 469, 471, 477, 478, 484, 485, 488, 499, 503, 504, 506, 514, 516, 523, 525, 534, 542, 544, 549, 550, 554, 556, 560, 569, 575, 577, 583, 590, 594, 602, 605, 612, 614, 620, 622, 625, 632, 637, 639, 645, 646, 652, 659, 663, 667, 672, 683, 687, 701, 710, 718, 720, 726, 733, 742, 749, 755, 759, 764, 773, 777, 782, 783, 789, 801 ] }

{ "tokens": [ "What", "is", "an", "example", "of", "a", "solar", "distillation", "design", "?" ], "offsets": [ 0, 5, 8, 11, 19, 22, 24, 30, 43, 49 ] }

{ "text": [ "single-slope" ], "char_spans": [ { "start": [ 457 ], "end": [ 468 ] } ], "token_spans": [ { "start": [ 92 ], "end": [ 94 ] } ] }

[ "single-slope" ]

{ "tokens": [ "Shuman", "built", "the", "world", "’s", "first", "solar", "thermal", "power", "station", "in", "Maadi", ",", "Egypt", ",", "between", "1912", "and", "1913", ".", "Shuman", "’s", "plant", "used", "parabolic", "troughs", "to", "power", "a", "45–52", "kilowatts", "(", "60–70", "hp", ")", "engine", "that", "pumped", "more", "than", "22,000", "litres", "(", "4,800", "imp", "gal", ";", "5,800", "US", "gal", ")", "of", "water", "per", "minute", "from", "the", "Nile", "River", "to", "adjacent", "cotton", "fields", ".", "Although", "the", "outbreak", "of", "World", "War", "I", "and", "the", "discovery", "of", "cheap", "oil", "in", "the", "1930s", "discouraged", "the", "advancement", "of", "solar", "energy", ",", "Shuman", "’s", "vision", "and", "basic", "design", "were", "resurrected", "in", "the", "1970s", "with", "a", "new", "wave", "of", "interest", "in", "solar", "thermal", "energy", ".", "In", "1916", "Shuman", "was", "quoted", "in", "the", "media", "advocating", "solar", "energy", "'s", "utilization", ",", "saying", ":" ], "offsets": [ 0, 7, 13, 17, 22, 25, 31, 37, 45, 51, 59, 62, 67, 69, 74, 76, 84, 89, 93, 97, 99, 105, 108, 114, 119, 129, 137, 140, 146, 148, 154, 164, 165, 171, 173, 175, 182, 187, 194, 199, 204, 211, 218, 219, 225, 229, 232, 234, 240, 243, 246, 248, 251, 257, 261, 268, 273, 277, 282, 288, 291, 300, 307, 313, 315, 324, 328, 337, 340, 346, 350, 352, 356, 360, 370, 373, 379, 383, 386, 390, 396, 408, 412, 424, 427, 433, 439, 441, 447, 450, 457, 461, 467, 474, 479, 491, 494, 498, 504, 509, 511, 515, 520, 523, 532, 535, 541, 549, 555, 557, 560, 565, 572, 576, 583, 586, 590, 596, 607, 613, 619, 622, 633, 635, 641 ] }

{ "tokens": [ "Where", "did", "Shuman", "build", "the", "world", "'s", "first", "solar", "thermal", "power", "station", "?" ], "offsets": [ 0, 6, 10, 17, 23, 27, 32, 35, 41, 47, 55, 61, 68 ] }

{ "text": [ "Maadi, Egypt" ], "char_spans": [ { "start": [ 62 ], "end": [ 73 ] } ], "token_spans": [ { "start": [ 11 ], "end": [ 13 ] } ] }

[ "Maadi, Egypt" ]

{ "tokens": [ "Shuman", "built", "the", "world", "’s", "first", "solar", "thermal", "power", "station", "in", "Maadi", ",", "Egypt", ",", "between", "1912", "and", "1913", ".", "Shuman", "’s", "plant", "used", "parabolic", "troughs", "to", "power", "a", "45–52", "kilowatts", "(", "60–70", "hp", ")", "engine", "that", "pumped", "more", "than", "22,000", "litres", "(", "4,800", "imp", "gal", ";", "5,800", "US", "gal", ")", "of", "water", "per", "minute", "from", "the", "Nile", "River", "to", "adjacent", "cotton", "fields", ".", "Although", "the", "outbreak", "of", "World", "War", "I", "and", "the", "discovery", "of", "cheap", "oil", "in", "the", "1930s", "discouraged", "the", "advancement", "of", "solar", "energy", ",", "Shuman", "’s", "vision", "and", "basic", "design", "were", "resurrected", "in", "the", "1970s", "with", "a", "new", "wave", "of", "interest", "in", "solar", "thermal", "energy", ".", "In", "1916", "Shuman", "was", "quoted", "in", "the", "media", "advocating", "solar", "energy", "'s", "utilization", ",", "saying", ":" ], "offsets": [ 0, 7, 13, 17, 22, 25, 31, 37, 45, 51, 59, 62, 67, 69, 74, 76, 84, 89, 93, 97, 99, 105, 108, 114, 119, 129, 137, 140, 146, 148, 154, 164, 165, 171, 173, 175, 182, 187, 194, 199, 204, 211, 218, 219, 225, 229, 232, 234, 240, 243, 246, 248, 251, 257, 261, 268, 273, 277, 282, 288, 291, 300, 307, 313, 315, 324, 328, 337, 340, 346, 350, 352, 356, 360, 370, 373, 379, 383, 386, 390, 396, 408, 412, 424, 427, 433, 439, 441, 447, 450, 457, 461, 467, 474, 479, 491, 494, 498, 504, 509, 511, 515, 520, 523, 532, 535, 541, 549, 555, 557, 560, 565, 572, 576, 583, 586, 590, 596, 607, 613, 619, 622, 633, 635, 641 ] }

{ "tokens": [ "How", "many", "liters", "of", "water", "per", "minute", "did", "Shuman", "'s", "engine", "pump", "in", "litres", "?" ], "offsets": [ 0, 4, 9, 16, 19, 25, 29, 36, 40, 46, 49, 56, 61, 64, 70 ] }

{ "text": [ "22,000" ], "char_spans": [ { "start": [ 204 ], "end": [ 209 ] } ], "token_spans": [ { "start": [ 40 ], "end": [ 40 ] } ] }

[ "22,000" ]

{ "tokens": [ "Shuman", "built", "the", "world", "’s", "first", "solar", "thermal", "power", "station", "in", "Maadi", ",", "Egypt", ",", "between", "1912", "and", "1913", ".", "Shuman", "’s", "plant", "used", "parabolic", "troughs", "to", "power", "a", "45–52", "kilowatts", "(", "60–70", "hp", ")", "engine", "that", "pumped", "more", "than", "22,000", "litres", "(", "4,800", "imp", "gal", ";", "5,800", "US", "gal", ")", "of", "water", "per", "minute", "from", "the", "Nile", "River", "to", "adjacent", "cotton", "fields", ".", "Although", "the", "outbreak", "of", "World", "War", "I", "and", "the", "discovery", "of", "cheap", "oil", "in", "the", "1930s", "discouraged", "the", "advancement", "of", "solar", "energy", ",", "Shuman", "’s", "vision", "and", "basic", "design", "were", "resurrected", "in", "the", "1970s", "with", "a", "new", "wave", "of", "interest", "in", "solar", "thermal", "energy", ".", "In", "1916", "Shuman", "was", "quoted", "in", "the", "media", "advocating", "solar", "energy", "'s", "utilization", ",", "saying", ":" ], "offsets": [ 0, 7, 13, 17, 22, 25, 31, 37, 45, 51, 59, 62, 67, 69, 74, 76, 84, 89, 93, 97, 99, 105, 108, 114, 119, 129, 137, 140, 146, 148, 154, 164, 165, 171, 173, 175, 182, 187, 194, 199, 204, 211, 218, 219, 225, 229, 232, 234, 240, 243, 246, 248, 251, 257, 261, 268, 273, 277, 282, 288, 291, 300, 307, 313, 315, 324, 328, 337, 340, 346, 350, 352, 356, 360, 370, 373, 379, 383, 386, 390, 396, 408, 412, 424, 427, 433, 439, 441, 447, 450, 457, 461, 467, 474, 479, 491, 494, 498, 504, 509, 511, 515, 520, 523, 532, 535, 541, 549, 555, 557, 560, 565, 572, 576, 583, 586, 590, 596, 607, 613, 619, 622, 633, 635, 641 ] }

{ "tokens": [ "In", "what", "decade", "were", "Shuman", "'s", "ideas", "about", "solar", "energy", "revived", "?" ], "offsets": [ 0, 3, 8, 15, 20, 26, 29, 35, 41, 47, 54, 61 ] }

{ "text": [ "the 1970s" ], "char_spans": [ { "start": [ 494 ], "end": [ 502 ] } ], "token_spans": [ { "start": [ 96 ], "end": [ 97 ] } ] }

[ "the 1970s" ]

{ "tokens": [ "Shuman", "built", "the", "world", "’s", "first", "solar", "thermal", "power", "station", "in", "Maadi", ",", "Egypt", ",", "between", "1912", "and", "1913", ".", "Shuman", "’s", "plant", "used", "parabolic", "troughs", "to", "power", "a", "45–52", "kilowatts", "(", "60–70", "hp", ")", "engine", "that", "pumped", "more", "than", "22,000", "litres", "(", "4,800", "imp", "gal", ";", "5,800", "US", "gal", ")", "of", "water", "per", "minute", "from", "the", "Nile", "River", "to", "adjacent", "cotton", "fields", ".", "Although", "the", "outbreak", "of", "World", "War", "I", "and", "the", "discovery", "of", "cheap", "oil", "in", "the", "1930s", "discouraged", "the", "advancement", "of", "solar", "energy", ",", "Shuman", "’s", "vision", "and", "basic", "design", "were", "resurrected", "in", "the", "1970s", "with", "a", "new", "wave", "of", "interest", "in", "solar", "thermal", "energy", ".", "In", "1916", "Shuman", "was", "quoted", "in", "the", "media", "advocating", "solar", "energy", "'s", "utilization", ",", "saying", ":" ], "offsets": [ 0, 7, 13, 17, 22, 25, 31, 37, 45, 51, 59, 62, 67, 69, 74, 76, 84, 89, 93, 97, 99, 105, 108, 114, 119, 129, 137, 140, 146, 148, 154, 164, 165, 171, 173, 175, 182, 187, 194, 199, 204, 211, 218, 219, 225, 229, 232, 234, 240, 243, 246, 248, 251, 257, 261, 268, 273, 277, 282, 288, 291, 300, 307, 313, 315, 324, 328, 337, 340, 346, 350, 352, 356, 360, 370, 373, 379, 383, 386, 390, 396, 408, 412, 424, 427, 433, 439, 441, 447, 450, 457, 461, 467, 474, 479, 491, 494, 498, 504, 509, 511, 515, 520, 523, 532, 535, 541, 549, 555, 557, 560, 565, 572, 576, 583, 586, 590, 596, 607, 613, 619, 622, 633, 635, 641 ] }

{ "tokens": [ "Where", "was", "the", "first", "solar", "thermal", "power", "plant", "built", "?" ], "offsets": [ 0, 6, 10, 14, 20, 26, 34, 40, 46, 51 ] }

{ "text": [ "Maadi, Egypt" ], "char_spans": [ { "start": [ 62 ], "end": [ 73 ] } ], "token_spans": [ { "start": [ 11 ], "end": [ 13 ] } ] }

[ "Maadi, Egypt" ]

{ "tokens": [ "Shuman", "built", "the", "world", "’s", "first", "solar", "thermal", "power", "station", "in", "Maadi", ",", "Egypt", ",", "between", "1912", "and", "1913", ".", "Shuman", "’s", "plant", "used", "parabolic", "troughs", "to", "power", "a", "45–52", "kilowatts", "(", "60–70", "hp", ")", "engine", "that", "pumped", "more", "than", "22,000", "litres", "(", "4,800", "imp", "gal", ";", "5,800", "US", "gal", ")", "of", "water", "per", "minute", "from", "the", "Nile", "River", "to", "adjacent", "cotton", "fields", ".", "Although", "the", "outbreak", "of", "World", "War", "I", "and", "the", "discovery", "of", "cheap", "oil", "in", "the", "1930s", "discouraged", "the", "advancement", "of", "solar", "energy", ",", "Shuman", "’s", "vision", "and", "basic", "design", "were", "resurrected", "in", "the", "1970s", "with", "a", "new", "wave", "of", "interest", "in", "solar", "thermal", "energy", ".", "In", "1916", "Shuman", "was", "quoted", "in", "the", "media", "advocating", "solar", "energy", "'s", "utilization", ",", "saying", ":" ], "offsets": [ 0, 7, 13, 17, 22, 25, 31, 37, 45, 51, 59, 62, 67, 69, 74, 76, 84, 89, 93, 97, 99, 105, 108, 114, 119, 129, 137, 140, 146, 148, 154, 164, 165, 171, 173, 175, 182, 187, 194, 199, 204, 211, 218, 219, 225, 229, 232, 234, 240, 243, 246, 248, 251, 257, 261, 268, 273, 277, 282, 288, 291, 300, 307, 313, 315, 324, 328, 337, 340, 346, 350, 352, 356, 360, 370, 373, 379, 383, 386, 390, 396, 408, 412, 424, 427, 433, 439, 441, 447, 450, 457, 461, 467, 474, 479, 491, 494, 498, 504, 509, 511, 515, 520, 523, 532, 535, 541, 549, 555, 557, 560, 565, 572, 576, 583, 586, 590, 596, 607, 613, 619, 622, 633, 635, 641 ] }

{ "tokens": [ "What", "was", "used", "to", "power", "the", "plants", "engine", "?" ], "offsets": [ 0, 5, 9, 14, 17, 23, 27, 34, 40 ] }

{ "text": [ "parabolic troughs" ], "char_spans": [ { "start": [ 119 ], "end": [ 135 ] } ], "token_spans": [ { "start": [ 24 ], "end": [ 25 ] } ] }

[ "parabolic troughs" ]

{ "tokens": [ "Shuman", "built", "the", "world", "’s", "first", "solar", "thermal", "power", "station", "in", "Maadi", ",", "Egypt", ",", "between", "1912", "and", "1913", ".", "Shuman", "’s", "plant", "used", "parabolic", "troughs", "to", "power", "a", "45–52", "kilowatts", "(", "60–70", "hp", ")", "engine", "that", "pumped", "more", "than", "22,000", "litres", "(", "4,800", "imp", "gal", ";", "5,800", "US", "gal", ")", "of", "water", "per", "minute", "from", "the", "Nile", "River", "to", "adjacent", "cotton", "fields", ".", "Although", "the", "outbreak", "of", "World", "War", "I", "and", "the", "discovery", "of", "cheap", "oil", "in", "the", "1930s", "discouraged", "the", "advancement", "of", "solar", "energy", ",", "Shuman", "’s", "vision", "and", "basic", "design", "were", "resurrected", "in", "the", "1970s", "with", "a", "new", "wave", "of", "interest", "in", "solar", "thermal", "energy", ".", "In", "1916", "Shuman", "was", "quoted", "in", "the", "media", "advocating", "solar", "energy", "'s", "utilization", ",", "saying", ":" ], "offsets": [ 0, 7, 13, 17, 22, 25, 31, 37, 45, 51, 59, 62, 67, 69, 74, 76, 84, 89, 93, 97, 99, 105, 108, 114, 119, 129, 137, 140, 146, 148, 154, 164, 165, 171, 173, 175, 182, 187, 194, 199, 204, 211, 218, 219, 225, 229, 232, 234, 240, 243, 246, 248, 251, 257, 261, 268, 273, 277, 282, 288, 291, 300, 307, 313, 315, 324, 328, 337, 340, 346, 350, 352, 356, 360, 370, 373, 379, 383, 386, 390, 396, 408, 412, 424, 427, 433, 439, 441, 447, 450, 457, 461, 467, 474, 479, 491, 494, 498, 504, 509, 511, 515, 520, 523, 532, 535, 541, 549, 555, 557, 560, 565, 572, 576, 583, 586, 590, 596, 607, 613, 619, 622, 633, 635, 641 ] }

{ "tokens": [ "From", "what", "river", "did", "the", "engine", "pump", "water", "?" ], "offsets": [ 0, 5, 10, 16, 20, 24, 31, 36, 41 ] }

{ "text": [ "Nile River" ], "char_spans": [ { "start": [ 277 ], "end": [ 286 ] } ], "token_spans": [ { "start": [ 57 ], "end": [ 58 ] } ] }

[ "Nile River" ]

{ "tokens": [ "Shuman", "built", "the", "world", "’s", "first", "solar", "thermal", "power", "station", "in", "Maadi", ",", "Egypt", ",", "between", "1912", "and", "1913", ".", "Shuman", "’s", "plant", "used", "parabolic", "troughs", "to", "power", "a", "45–52", "kilowatts", "(", "60–70", "hp", ")", "engine", "that", "pumped", "more", "than", "22,000", "litres", "(", "4,800", "imp", "gal", ";", "5,800", "US", "gal", ")", "of", "water", "per", "minute", "from", "the", "Nile", "River", "to", "adjacent", "cotton", "fields", ".", "Although", "the", "outbreak", "of", "World", "War", "I", "and", "the", "discovery", "of", "cheap", "oil", "in", "the", "1930s", "discouraged", "the", "advancement", "of", "solar", "energy", ",", "Shuman", "’s", "vision", "and", "basic", "design", "were", "resurrected", "in", "the", "1970s", "with", "a", "new", "wave", "of", "interest", "in", "solar", "thermal", "energy", ".", "In", "1916", "Shuman", "was", "quoted", "in", "the", "media", "advocating", "solar", "energy", "'s", "utilization", ",", "saying", ":" ], "offsets": [ 0, 7, 13, 17, 22, 25, 31, 37, 45, 51, 59, 62, 67, 69, 74, 76, 84, 89, 93, 97, 99, 105, 108, 114, 119, 129, 137, 140, 146, 148, 154, 164, 165, 171, 173, 175, 182, 187, 194, 199, 204, 211, 218, 219, 225, 229, 232, 234, 240, 243, 246, 248, 251, 257, 261, 268, 273, 277, 282, 288, 291, 300, 307, 313, 315, 324, 328, 337, 340, 346, 350, 352, 356, 360, 370, 373, 379, 383, 386, 390, 396, 408, 412, 424, 427, 433, 439, 441, 447, 450, 457, 461, 467, 474, 479, 491, 494, 498, 504, 509, 511, 515, 520, 523, 532, 535, 541, 549, 555, 557, 560, 565, 572, 576, 583, 586, 590, 596, 607, 613, 619, 622, 633, 635, 641 ] }

{ "tokens": [ "What", "slowed", "down", "the", "growth", "of", "solar", "energy", "?" ], "offsets": [ 0, 5, 12, 17, 21, 28, 31, 37, 43 ] }

{ "text": [ "the outbreak of World War I and the discovery of cheap oil" ], "char_spans": [ { "start": [ 324 ], "end": [ 381 ] } ], "token_spans": [ { "start": [ 65 ], "end": [ 76 ] } ] }

[ "the outbreak of World War I and the discovery of cheap oil" ]

{ "tokens": [ "Shuman", "built", "the", "world", "’s", "first", "solar", "thermal", "power", "station", "in", "Maadi", ",", "Egypt", ",", "between", "1912", "and", "1913", ".", "Shuman", "’s", "plant", "used", "parabolic", "troughs", "to", "power", "a", "45–52", "kilowatts", "(", "60–70", "hp", ")", "engine", "that", "pumped", "more", "than", "22,000", "litres", "(", "4,800", "imp", "gal", ";", "5,800", "US", "gal", ")", "of", "water", "per", "minute", "from", "the", "Nile", "River", "to", "adjacent", "cotton", "fields", ".", "Although", "the", "outbreak", "of", "World", "War", "I", "and", "the", "discovery", "of", "cheap", "oil", "in", "the", "1930s", "discouraged", "the", "advancement", "of", "solar", "energy", ",", "Shuman", "’s", "vision", "and", "basic", "design", "were", "resurrected", "in", "the", "1970s", "with", "a", "new", "wave", "of", "interest", "in", "solar", "thermal", "energy", ".", "In", "1916", "Shuman", "was", "quoted", "in", "the", "media", "advocating", "solar", "energy", "'s", "utilization", ",", "saying", ":" ], "offsets": [ 0, 7, 13, 17, 22, 25, 31, 37, 45, 51, 59, 62, 67, 69, 74, 76, 84, 89, 93, 97, 99, 105, 108, 114, 119, 129, 137, 140, 146, 148, 154, 164, 165, 171, 173, 175, 182, 187, 194, 199, 204, 211, 218, 219, 225, 229, 232, 234, 240, 243, 246, 248, 251, 257, 261, 268, 273, 277, 282, 288, 291, 300, 307, 313, 315, 324, 328, 337, 340, 346, 350, 352, 356, 360, 370, 373, 379, 383, 386, 390, 396, 408, 412, 424, 427, 433, 439, 441, 447, 450, 457, 461, 467, 474, 479, 491, 494, 498, 504, 509, 511, 515, 520, 523, 532, 535, 541, 549, 555, 557, 560, 565, 572, 576, 583, 586, 590, 596, 607, 613, 619, 622, 633, 635, 641 ] }

{ "tokens": [ "When", "was", "the", "interest", "in", "solar", "energy", "restored", "?" ], "offsets": [ 0, 5, 9, 13, 22, 25, 31, 38, 46 ] }

{ "text": [ "the 1970s" ], "char_spans": [ { "start": [ 494 ], "end": [ 502 ] } ], "token_spans": [ { "start": [ 96 ], "end": [ 97 ] } ] }

[ "the 1970s" ]

{ "tokens": [ "The", "large", "magnitude", "of", "solar", "energy", "available", "makes", "it", "a", "highly", "appealing", "source", "of", "electricity", ".", "The", "United", "Nations", "Development", "Programme", "in", "its", "2000", "World", "Energy", "Assessment", "found", "that", "the", "annual", "potential", "of", "solar", "energy", "was", "1,575–49,837", "exajoules", "(", "EJ", ")", ".", "This", "is", "several", "times", "larger", "than", "the", "total", "world", "energy", "consumption", ",", "which", "was", "559.8", "EJ", "in", "2012", "." ], "offsets": [ 0, 4, 10, 20, 23, 29, 36, 46, 52, 55, 57, 64, 74, 81, 84, 95, 97, 101, 108, 116, 128, 138, 141, 145, 150, 156, 163, 174, 180, 185, 189, 196, 206, 209, 215, 222, 226, 239, 249, 250, 252, 253, 255, 260, 263, 271, 277, 284, 289, 293, 299, 305, 312, 323, 325, 331, 335, 341, 344, 347, 351 ] }

{ "tokens": [ "What", "was", "the", "total", "worldwide", "energy", "consumption", "in", "2012", "?" ], "offsets": [ 0, 5, 9, 13, 19, 29, 36, 48, 51, 55 ] }

{ "text": [ "559.8 EJ" ], "char_spans": [ { "start": [ 335 ], "end": [ 342 ] } ], "token_spans": [ { "start": [ 56 ], "end": [ 57 ] } ] }

[ "559.8 EJ" ]

{ "tokens": [ "The", "large", "magnitude", "of", "solar", "energy", "available", "makes", "it", "a", "highly", "appealing", "source", "of", "electricity", ".", "The", "United", "Nations", "Development", "Programme", "in", "its", "2000", "World", "Energy", "Assessment", "found", "that", "the", "annual", "potential", "of", "solar", "energy", "was", "1,575–49,837", "exajoules", "(", "EJ", ")", ".", "This", "is", "several", "times", "larger", "than", "the", "total", "world", "energy", "consumption", ",", "which", "was", "559.8", "EJ", "in", "2012", "." ], "offsets": [ 0, 4, 10, 20, 23, 29, 36, 46, 52, 55, 57, 64, 74, 81, 84, 95, 97, 101, 108, 116, 128, 138, 141, 145, 150, 156, 163, 174, 180, 185, 189, 196, 206, 209, 215, 222, 226, 239, 249, 250, 252, 253, 255, 260, 263, 271, 277, 284, 289, 293, 299, 305, 312, 323, 325, 331, 335, 341, 344, 347, 351 ] }

{ "tokens": [ "What", "is", "solar", "energy", "'s", "yearly", "potential", "?" ], "offsets": [ 0, 5, 8, 14, 20, 23, 30, 39 ] }

{ "text": [ "1,575–49,837 exajoules (EJ)" ], "char_spans": [ { "start": [ 226 ], "end": [ 252 ] } ], "token_spans": [ { "start": [ 36 ], "end": [ 40 ] } ] }

[ "1,575–49,837 exajoules (EJ)" ]

{ "tokens": [ "The", "large", "magnitude", "of", "solar", "energy", "available", "makes", "it", "a", "highly", "appealing", "source", "of", "electricity", ".", "The", "United", "Nations", "Development", "Programme", "in", "its", "2000", "World", "Energy", "Assessment", "found", "that", "the", "annual", "potential", "of", "solar", "energy", "was", "1,575–49,837", "exajoules", "(", "EJ", ")", ".", "This", "is", "several", "times", "larger", "than", "the", "total", "world", "energy", "consumption", ",", "which", "was", "559.8", "EJ", "in", "2012", "." ], "offsets": [ 0, 4, 10, 20, 23, 29, 36, 46, 52, 55, 57, 64, 74, 81, 84, 95, 97, 101, 108, 116, 128, 138, 141, 145, 150, 156, 163, 174, 180, 185, 189, 196, 206, 209, 215, 222, 226, 239, 249, 250, 252, 253, 255, 260, 263, 271, 277, 284, 289, 293, 299, 305, 312, 323, 325, 331, 335, 341, 344, 347, 351 ] }

{ "tokens": [ "What", "makes", "solar", "energy", "an", "appealing", "source", "of", "electricity", ">" ], "offsets": [ 0, 5, 11, 17, 24, 27, 37, 44, 47, 58 ] }

{ "text": [ "The large magnitude of solar energy available" ], "char_spans": [ { "start": [ 4 ], "end": [ 44 ] } ], "token_spans": [ { "start": [ 1 ], "end": [ 6 ] } ] }

[ "The large magnitude of solar energy available" ]

{ "tokens": [ "The", "large", "magnitude", "of", "solar", "energy", "available", "makes", "it", "a", "highly", "appealing", "source", "of", "electricity", ".", "The", "United", "Nations", "Development", "Programme", "in", "its", "2000", "World", "Energy", "Assessment", "found", "that", "the", "annual", "potential", "of", "solar", "energy", "was", "1,575–49,837", "exajoules", "(", "EJ", ")", ".", "This", "is", "several", "times", "larger", "than", "the", "total", "world", "energy", "consumption", ",", "which", "was", "559.8", "EJ", "in", "2012", "." ], "offsets": [ 0, 4, 10, 20, 23, 29, 36, 46, 52, 55, 57, 64, 74, 81, 84, 95, 97, 101, 108, 116, 128, 138, 141, 145, 150, 156, 163, 174, 180, 185, 189, 196, 206, 209, 215, 222, 226, 239, 249, 250, 252, 253, 255, 260, 263, 271, 277, 284, 289, 293, 299, 305, 312, 323, 325, 331, 335, 341, 344, 347, 351 ] }

{ "tokens": [ "Who", "estimated", "the", "annual", "potential", "of", "solar", "energy", "in", "2000", "?" ], "offsets": [ 0, 4, 14, 18, 25, 35, 38, 44, 51, 54, 58 ] }

{ "text": [ "The United Nations Development Programme" ], "char_spans": [ { "start": [ 97 ], "end": [ 136 ] } ], "token_spans": [ { "start": [ 16 ], "end": [ 20 ] } ] }

[ "The United Nations Development Programme" ]

{ "tokens": [ "The", "International", "Energy", "Agency", "has", "said", "that", "solar", "energy", "can", "make", "considerable", "contributions", "to", "solving", "some", "of", "the", "most", "urgent", "problems", "the", "world", "now", "faces", ":" ], "offsets": [ 0, 4, 18, 25, 32, 36, 41, 46, 52, 59, 63, 68, 81, 95, 98, 106, 111, 114, 118, 123, 130, 139, 143, 149, 153, 158 ] }

{ "tokens": [ "Which", "organization", "believes", "that", "solar", "energy", "can", "solve", "some", "of", "our", "most", "pressing", "issues", "?" ], "offsets": [ 0, 6, 19, 28, 33, 39, 46, 50, 56, 61, 64, 68, 73, 82, 88 ] }

{ "text": [ "The International Energy Agency" ], "char_spans": [ { "start": [ 4 ], "end": [ 30 ] } ], "token_spans": [ { "start": [ 1 ], "end": [ 3 ] } ] }

[ "The International Energy Agency" ]

{ "tokens": [ "The", "International", "Energy", "Agency", "has", "said", "that", "solar", "energy", "can", "make", "considerable", "contributions", "to", "solving", "some", "of", "the", "most", "urgent", "problems", "the", "world", "now", "faces", ":" ], "offsets": [ 0, 4, 18, 25, 32, 36, 41, 46, 52, 59, 63, 68, 81, 95, 98, 106, 111, 114, 118, 123, 130, 139, 143, 149, 153, 158 ] }

{ "tokens": [ "Who", "said", "that", "solar", "energy", "can", "help", "solve", "some", "of", "the", "most", "urgent", "problems", "in", "the", "world", "?" ], "offsets": [ 0, 4, 9, 14, 20, 27, 31, 36, 42, 47, 50, 54, 59, 66, 75, 78, 82, 87 ] }

{ "text": [ "The International Energy Agency" ], "char_spans": [ { "start": [ 4 ], "end": [ 30 ] } ], "token_spans": [ { "start": [ 1 ], "end": [ 3 ] } ] }

[ "The International Energy Agency" ]

{ "tokens": [ "Off", "-", "grid", "PV", "systems", "have", "traditionally", "used", "rechargeable", "batteries", "to", "store", "excess", "electricity", ".", "With", "grid", "-", "tied", "systems", ",", "excess", "electricity", "can", "be", "sent", "to", "the", "transmission", "grid", ",", "while", "standard", "grid", "electricity", "can", "be", "used", "to", "meet", "shortfalls", ".", "Net", "metering", "programs", "give", "household", "systems", "a", "credit", "for", "any", "electricity", "they", "deliver", "to", "the", "grid", ".", "This", "is", "handled", "by", "'", "rolling", "back", "'", "the", "meter", "whenever", "the", "home", "produces", "more", "electricity", "than", "it", "consumes", ".", "If", "the", "net", "electricity", "use", "is", "below", "zero", ",", "the", "utility", "then", "rolls", "over", "the", "kilowatt", "hour", "credit", "to", "the", "next", "month", ".", "Other", "approaches", "involve", "the", "use", "of", "two", "meters", ",", "to", "measure", "electricity", "consumed", "vs.", "electricity", "produced", ".", "This", "is", "less", "common", "due", "to", "the", "increased", "installation", "cost", "of", "the", "second", "meter", ".", "Most", "standard", "meters", "accurately", "measure", "in", "both", "directions", ",", "making", "a", "second", "meter", "unnecessary", "." ], "offsets": [ 0, 3, 4, 9, 12, 20, 25, 39, 44, 57, 67, 70, 76, 83, 94, 96, 101, 105, 106, 111, 118, 120, 127, 139, 143, 146, 151, 154, 158, 171, 175, 177, 183, 192, 197, 209, 213, 216, 221, 224, 229, 239, 241, 245, 254, 263, 268, 278, 286, 288, 295, 299, 303, 315, 320, 328, 331, 335, 339, 341, 346, 349, 357, 360, 361, 369, 373, 375, 379, 385, 394, 398, 403, 412, 417, 429, 434, 437, 445, 447, 450, 454, 458, 470, 474, 477, 483, 487, 489, 493, 501, 506, 512, 517, 521, 530, 535, 542, 545, 549, 554, 559, 561, 567, 578, 586, 590, 594, 597, 601, 607, 609, 612, 620, 632, 641, 645, 657, 665, 667, 672, 675, 680, 687, 691, 694, 698, 708, 721, 726, 729, 733, 740, 745, 747, 752, 761, 768, 779, 787, 790, 795, 805, 807, 814, 816, 823, 829, 840 ] }

{ "tokens": [ "Where", "do", "off", "-", "grid", "PV", "systems", "store", "excess", "electricity", "?" ], "offsets": [ 0, 6, 9, 12, 13, 18, 21, 29, 35, 42, 53 ] }

{ "text": [ "rechargeable batteries" ], "char_spans": [ { "start": [ 44 ], "end": [ 65 ] } ], "token_spans": [ { "start": [ 8 ], "end": [ 9 ] } ] }

[ "rechargeable batteries" ]

{ "tokens": [ "Off", "-", "grid", "PV", "systems", "have", "traditionally", "used", "rechargeable", "batteries", "to", "store", "excess", "electricity", ".", "With", "grid", "-", "tied", "systems", ",", "excess", "electricity", "can", "be", "sent", "to", "the", "transmission", "grid", ",", "while", "standard", "grid", "electricity", "can", "be", "used", "to", "meet", "shortfalls", ".", "Net", "metering", "programs", "give", "household", "systems", "a", "credit", "for", "any", "electricity", "they", "deliver", "to", "the", "grid", ".", "This", "is", "handled", "by", "'", "rolling", "back", "'", "the", "meter", "whenever", "the", "home", "produces", "more", "electricity", "than", "it", "consumes", ".", "If", "the", "net", "electricity", "use", "is", "below", "zero", ",", "the", "utility", "then", "rolls", "over", "the", "kilowatt", "hour", "credit", "to", "the", "next", "month", ".", "Other", "approaches", "involve", "the", "use", "of", "two", "meters", ",", "to", "measure", "electricity", "consumed", "vs.", "electricity", "produced", ".", "This", "is", "less", "common", "due", "to", "the", "increased", "installation", "cost", "of", "the", "second", "meter", ".", "Most", "standard", "meters", "accurately", "measure", "in", "both", "directions", ",", "making", "a", "second", "meter", "unnecessary", "." ], "offsets": [ 0, 3, 4, 9, 12, 20, 25, 39, 44, 57, 67, 70, 76, 83, 94, 96, 101, 105, 106, 111, 118, 120, 127, 139, 143, 146, 151, 154, 158, 171, 175, 177, 183, 192, 197, 209, 213, 216, 221, 224, 229, 239, 241, 245, 254, 263, 268, 278, 286, 288, 295, 299, 303, 315, 320, 328, 331, 335, 339, 341, 346, 349, 357, 360, 361, 369, 373, 375, 379, 385, 394, 398, 403, 412, 417, 429, 434, 437, 445, 447, 450, 454, 458, 470, 474, 477, 483, 487, 489, 493, 501, 506, 512, 517, 521, 530, 535, 542, 545, 549, 554, 559, 561, 567, 578, 586, 590, 594, 597, 601, 607, 609, 612, 620, 632, 641, 645, 657, 665, 667, 672, 675, 680, 687, 691, 694, 698, 708, 721, 726, 729, 733, 740, 745, 747, 752, 761, 768, 779, 787, 790, 795, 805, 807, 814, 816, 823, 829, 840 ] }

{ "tokens": [ "What", "do", "off", "-", "grid", "PV", "systems", "use", "to", "store", "excess", "electricity", "?" ], "offsets": [ 0, 5, 8, 11, 12, 17, 20, 28, 32, 35, 41, 48, 59 ] }

{ "text": [ "rechargeable batteries" ], "char_spans": [ { "start": [ 44 ], "end": [ 65 ] } ], "token_spans": [ { "start": [ 8 ], "end": [ 9 ] } ] }

[ "rechargeable batteries" ]

{ "tokens": [ "Off", "-", "grid", "PV", "systems", "have", "traditionally", "used", "rechargeable", "batteries", "to", "store", "excess", "electricity", ".", "With", "grid", "-", "tied", "systems", ",", "excess", "electricity", "can", "be", "sent", "to", "the", "transmission", "grid", ",", "while", "standard", "grid", "electricity", "can", "be", "used", "to", "meet", "shortfalls", ".", "Net", "metering", "programs", "give", "household", "systems", "a", "credit", "for", "any", "electricity", "they", "deliver", "to", "the", "grid", ".", "This", "is", "handled", "by", "'", "rolling", "back", "'", "the", "meter", "whenever", "the", "home", "produces", "more", "electricity", "than", "it", "consumes", ".", "If", "the", "net", "electricity", "use", "is", "below", "zero", ",", "the", "utility", "then", "rolls", "over", "the", "kilowatt", "hour", "credit", "to", "the", "next", "month", ".", "Other", "approaches", "involve", "the", "use", "of", "two", "meters", ",", "to", "measure", "electricity", "consumed", "vs.", "electricity", "produced", ".", "This", "is", "less", "common", "due", "to", "the", "increased", "installation", "cost", "of", "the", "second", "meter", ".", "Most", "standard", "meters", "accurately", "measure", "in", "both", "directions", ",", "making", "a", "second", "meter", "unnecessary", "." ], "offsets": [ 0, 3, 4, 9, 12, 20, 25, 39, 44, 57, 67, 70, 76, 83, 94, 96, 101, 105, 106, 111, 118, 120, 127, 139, 143, 146, 151, 154, 158, 171, 175, 177, 183, 192, 197, 209, 213, 216, 221, 224, 229, 239, 241, 245, 254, 263, 268, 278, 286, 288, 295, 299, 303, 315, 320, 328, 331, 335, 339, 341, 346, 349, 357, 360, 361, 369, 373, 375, 379, 385, 394, 398, 403, 412, 417, 429, 434, 437, 445, 447, 450, 454, 458, 470, 474, 477, 483, 487, 489, 493, 501, 506, 512, 517, 521, 530, 535, 542, 545, 549, 554, 559, 561, 567, 578, 586, 590, 594, 597, 601, 607, 609, 612, 620, 632, 641, 645, 657, 665, 667, 672, 675, 680, 687, 691, 694, 698, 708, 721, 726, 729, 733, 740, 745, 747, 752, 761, 768, 779, 787, 790, 795, 805, 807, 814, 816, 823, 829, 840 ] }

{ "tokens": [ "What", "are", "the", "programs", "that", "gives", "credit", "to", "households", "for", "delivering", "electricity", "to", "the", "grid", "called", "?" ], "offsets": [ 0, 5, 9, 13, 22, 27, 33, 40, 43, 54, 58, 69, 81, 84, 88, 93, 99 ] }

{ "text": [ "Net metering programs" ], "char_spans": [ { "start": [ 241 ], "end": [ 261 ] } ], "token_spans": [ { "start": [ 42 ], "end": [ 44 ] } ] }

[ "Net metering programs" ]

{ "tokens": [ "Off", "-", "grid", "PV", "systems", "have", "traditionally", "used", "rechargeable", "batteries", "to", "store", "excess", "electricity", ".", "With", "grid", "-", "tied", "systems", ",", "excess", "electricity", "can", "be", "sent", "to", "the", "transmission", "grid", ",", "while", "standard", "grid", "electricity", "can", "be", "used", "to", "meet", "shortfalls", ".", "Net", "metering", "programs", "give", "household", "systems", "a", "credit", "for", "any", "electricity", "they", "deliver", "to", "the", "grid", ".", "This", "is", "handled", "by", "'", "rolling", "back", "'", "the", "meter", "whenever", "the", "home", "produces", "more", "electricity", "than", "it", "consumes", ".", "If", "the", "net", "electricity", "use", "is", "below", "zero", ",", "the", "utility", "then", "rolls", "over", "the", "kilowatt", "hour", "credit", "to", "the", "next", "month", ".", "Other", "approaches", "involve", "the", "use", "of", "two", "meters", ",", "to", "measure", "electricity", "consumed", "vs.", "electricity", "produced", ".", "This", "is", "less", "common", "due", "to", "the", "increased", "installation", "cost", "of", "the", "second", "meter", ".", "Most", "standard", "meters", "accurately", "measure", "in", "both", "directions", ",", "making", "a", "second", "meter", "unnecessary", "." ], "offsets": [ 0, 3, 4, 9, 12, 20, 25, 39, 44, 57, 67, 70, 76, 83, 94, 96, 101, 105, 106, 111, 118, 120, 127, 139, 143, 146, 151, 154, 158, 171, 175, 177, 183, 192, 197, 209, 213, 216, 221, 224, 229, 239, 241, 245, 254, 263, 268, 278, 286, 288, 295, 299, 303, 315, 320, 328, 331, 335, 339, 341, 346, 349, 357, 360, 361, 369, 373, 375, 379, 385, 394, 398, 403, 412, 417, 429, 434, 437, 445, 447, 450, 454, 458, 470, 474, 477, 483, 487, 489, 493, 501, 506, 512, 517, 521, 530, 535, 542, 545, 549, 554, 559, 561, 567, 578, 586, 590, 594, 597, 601, 607, 609, 612, 620, 632, 641, 645, 657, 665, 667, 672, 675, 680, 687, 691, 694, 698, 708, 721, 726, 729, 733, 740, 745, 747, 752, 761, 768, 779, 787, 790, 795, 805, 807, 814, 816, 823, 829, 840 ] }

{ "tokens": [ "How", "is", "the", "credit", "to", "households", "accomplished", "?" ], "offsets": [ 0, 4, 7, 11, 18, 21, 32, 44 ] }

{ "text": [ "by 'rolling back' the meter whenever the home produces more electricity than it consumes" ], "char_spans": [ { "start": [ 357 ], "end": [ 444 ] } ], "token_spans": [ { "start": [ 62 ], "end": [ 77 ] } ] }

[ "by 'rolling back' the meter whenever the home produces more electricity than it consumes" ]

{ "tokens": [ "Off", "-", "grid", "PV", "systems", "have", "traditionally", "used", "rechargeable", "batteries", "to", "store", "excess", "electricity", ".", "With", "grid", "-", "tied", "systems", ",", "excess", "electricity", "can", "be", "sent", "to", "the", "transmission", "grid", ",", "while", "standard", "grid", "electricity", "can", "be", "used", "to", "meet", "shortfalls", ".", "Net", "metering", "programs", "give", "household", "systems", "a", "credit", "for", "any", "electricity", "they", "deliver", "to", "the", "grid", ".", "This", "is", "handled", "by", "'", "rolling", "back", "'", "the", "meter", "whenever", "the", "home", "produces", "more", "electricity", "than", "it", "consumes", ".", "If", "the", "net", "electricity", "use", "is", "below", "zero", ",", "the", "utility", "then", "rolls", "over", "the", "kilowatt", "hour", "credit", "to", "the", "next", "month", ".", "Other", "approaches", "involve", "the", "use", "of", "two", "meters", ",", "to", "measure", "electricity", "consumed", "vs.", "electricity", "produced", ".", "This", "is", "less", "common", "due", "to", "the", "increased", "installation", "cost", "of", "the", "second", "meter", ".", "Most", "standard", "meters", "accurately", "measure", "in", "both", "directions", ",", "making", "a", "second", "meter", "unnecessary", "." ], "offsets": [ 0, 3, 4, 9, 12, 20, 25, 39, 44, 57, 67, 70, 76, 83, 94, 96, 101, 105, 106, 111, 118, 120, 127, 139, 143, 146, 151, 154, 158, 171, 175, 177, 183, 192, 197, 209, 213, 216, 221, 224, 229, 239, 241, 245, 254, 263, 268, 278, 286, 288, 295, 299, 303, 315, 320, 328, 331, 335, 339, 341, 346, 349, 357, 360, 361, 369, 373, 375, 379, 385, 394, 398, 403, 412, 417, 429, 434, 437, 445, 447, 450, 454, 458, 470, 474, 477, 483, 487, 489, 493, 501, 506, 512, 517, 521, 530, 535, 542, 545, 549, 554, 559, 561, 567, 578, 586, 590, 594, 597, 601, 607, 609, 612, 620, 632, 641, 645, 657, 665, 667, 672, 675, 680, 687, 691, 694, 698, 708, 721, 726, 729, 733, 740, 745, 747, 752, 761, 768, 779, 787, 790, 795, 805, 807, 814, 816, 823, 829, 840 ] }

{ "tokens": [ "Why", "is", "a", "second", "meter", "usually", "unnecessary", "to", "monitor", "electricity", "use", "?" ], "offsets": [ 0, 4, 7, 9, 16, 22, 30, 42, 45, 53, 65, 68 ] }

{ "text": [ "Most standard meters accurately measure in both directions" ], "char_spans": [ { "start": [ 747 ], "end": [ 804 ] } ], "token_spans": [ { "start": [ 134 ], "end": [ 141 ] } ] }

[ "Most standard meters accurately measure in both directions" ]

{ "tokens": [ "The", "common", "features", "of", "passive", "solar", "architecture", "are", "orientation", "relative", "to", "the", "Sun", ",", "compact", "proportion", "(", "a", "low", "surface", "area", "to", "volume", "ratio", ")", ",", "selective", "shading", "(", "overhangs", ")", "and", "thermal", "mass", ".", "When", "these", "features", "are", "tailored", "to", "the", "local", "climate", "and", "environment", "they", "can", "produce", "well", "-", "lit", "spaces", "that", "stay", "in", "a", "comfortable", "temperature", "range", ".", "Socrates", "'", "Megaron", "House", "is", "a", "classic", "example", "of", "passive", "solar", "design", ".", "The", "most", "recent", "approaches", "to", "solar", "design", "use", "computer", "modeling", "tying", "together", "solar", "lighting", ",", "heating", "and", "ventilation", "systems", "in", "an", "integrated", "solar", "design", "package", ".", "Active", "solar", "equipment", "such", "as", "pumps", ",", "fans", "and", "switchable", "windows", "can", "complement", "passive", "design", "and", "improve", "system", "performance", "." ], "offsets": [ 0, 4, 11, 20, 23, 31, 37, 50, 54, 66, 75, 78, 82, 85, 87, 95, 106, 107, 109, 113, 121, 126, 129, 136, 141, 142, 144, 154, 162, 163, 172, 174, 178, 186, 190, 192, 197, 203, 212, 216, 225, 228, 232, 238, 246, 250, 262, 267, 271, 279, 283, 284, 288, 295, 300, 305, 308, 310, 322, 334, 339, 341, 349, 351, 359, 365, 368, 370, 378, 386, 389, 397, 403, 409, 411, 415, 420, 427, 438, 441, 447, 454, 458, 467, 476, 482, 491, 497, 505, 507, 515, 519, 531, 539, 542, 545, 556, 562, 569, 576, 578, 585, 591, 601, 606, 609, 614, 616, 621, 625, 636, 644, 648, 659, 667, 674, 678, 686, 693, 704 ] }

{ "tokens": [ "Socrate", "'s", "what", "is", "a", "classic", "example", "of", "passive", "solar", "design", "?" ], "offsets": [ 0, 7, 10, 15, 18, 20, 28, 36, 39, 47, 53, 59 ] }

{ "text": [ "Megaron House" ], "char_spans": [ { "start": [ 351 ], "end": [ 363 ] } ], "token_spans": [ { "start": [ 63 ], "end": [ 64 ] } ] }

[ "Megaron House" ]

{ "tokens": [ "The", "common", "features", "of", "passive", "solar", "architecture", "are", "orientation", "relative", "to", "the", "Sun", ",", "compact", "proportion", "(", "a", "low", "surface", "area", "to", "volume", "ratio", ")", ",", "selective", "shading", "(", "overhangs", ")", "and", "thermal", "mass", ".", "When", "these", "features", "are", "tailored", "to", "the", "local", "climate", "and", "environment", "they", "can", "produce", "well", "-", "lit", "spaces", "that", "stay", "in", "a", "comfortable", "temperature", "range", ".", "Socrates", "'", "Megaron", "House", "is", "a", "classic", "example", "of", "passive", "solar", "design", ".", "The", "most", "recent", "approaches", "to", "solar", "design", "use", "computer", "modeling", "tying", "together", "solar", "lighting", ",", "heating", "and", "ventilation", "systems", "in", "an", "integrated", "solar", "design", "package", ".", "Active", "solar", "equipment", "such", "as", "pumps", ",", "fans", "and", "switchable", "windows", "can", "complement", "passive", "design", "and", "improve", "system", "performance", "." ], "offsets": [ 0, 4, 11, 20, 23, 31, 37, 50, 54, 66, 75, 78, 82, 85, 87, 95, 106, 107, 109, 113, 121, 126, 129, 136, 141, 142, 144, 154, 162, 163, 172, 174, 178, 186, 190, 192, 197, 203, 212, 216, 225, 228, 232, 238, 246, 250, 262, 267, 271, 279, 283, 284, 288, 295, 300, 305, 308, 310, 322, 334, 339, 341, 349, 351, 359, 365, 368, 370, 378, 386, 389, 397, 403, 409, 411, 415, 420, 427, 438, 441, 447, 454, 458, 467, 476, 482, 491, 497, 505, 507, 515, 519, 531, 539, 542, 545, 556, 562, 569, 576, 578, 585, 591, 601, 606, 609, 614, 616, 621, 625, 636, 644, 648, 659, 667, 674, 678, 686, 693, 704 ] }

{ "tokens": [ "What", "is", "a", "common", "feature", "of", "passive", "solar", "architecture", "?" ], "offsets": [ 0, 5, 8, 10, 17, 25, 28, 36, 42, 54 ] }

{ "text": [ "orientation relative to the Sun" ], "char_spans": [ { "start": [ 54 ], "end": [ 84 ] } ], "token_spans": [ { "start": [ 8 ], "end": [ 12 ] } ] }

[ "orientation relative to the Sun" ]