set
sequence
[ "Agricultural potential is generally poor , due to the natural infertility of soils and because of the many swamps and lakes left by departing ice sheets , and short growing seasons allow only the hardiest of crops .", "Agricultural potential is generally poor , due to the natural infertility of soils and the prevalence of swamps and lakes left by departing ice sheets , and short growing seasons prohibit all but the hardiest of crops ." ]
[ "Vegetation in a subarctic climate is generally of low diversity , because only hardy species can survive the long winters and make use of the short summers .", "Vegetation in regions with subarctic climates is generally of low diversity , as only hardy species can survive the long winters and make use of the short summers ." ]
[ "Regions having a subarctic climate ( also called boreal climate ) are characterized by long , usually very cold winters , and brief , warm summers .", "The subarctic climate ( also called boreal climate ) is a climate characterized by long , usually very cold winters , and short , cool to mild summers ." ]
[ "There is very little precipitation , no more than 15 to 20 inches over an entire year and , away from the coasts , occurs mostly in the warmer months .", "Most subarctic climates have very little precipitation , typically no more than 15 inches ( 38 cm ) over an entire year . Away from the coasts , precipitation occurs mostly in the warmer months ." ]
[ "It is found on large landmasses , away from the moderating effects of an ocean , generally at latitudes from 50 Â to 70 Â N. Due to the absence of any large landmasses at such latitudes , it is not found in the Southern Hemisphere .", "It is found on large landmasses , away from the moderating effects of an ocean , generally at latitudes from 50 Â to 70 Â N poleward of the humid continental climates ." ]
[ "The subarctic climate is a subset of the continental climate .", "The subarctic climate is a subset of the humid continental climate ." ]
[ "This type of climate offers some of the most extreme seasonal temperature variations found on the planet : In winter , temperatures can drop to 40 Â C ( also 40 Â F ) and in summer , the temperature may exceed 30 Â C ( 86 Â F ) .", "This type of climate offers some of the most extreme seasonal temperature variations found on the planet : In winter , temperatures can drop to and in summer , the temperature may exceed ." ]
[ "Poleward or even approaching polar seas , the warmest month has an average temperature of less than 10 Â C ( 50 Â F ) , and the subarctic climate grades into a tundra climate even less suitable for trees .", "Should one go poleward or even toward a polar sea , one finds that the warmest month has an average temperature of less than 10 Â C ( 50 Â F ) , and the subarctic climate grades into a tundra climate even less suitable for trees ." ]
[ "However , the summers are short ; no more than three months of the year ( but at least one month ) and must have a 24-hour average temperature of at least 10 Â C ( 50 Â F ) to fall into this category of climate .", "However , the summers are short ; no more than three months of the year ( but at least one month ) must have a 24-hour average temperature of at least to fall into this category of climate ." ]
[ "Anola is a town in Manitoba , Canada .", "According to this theory it 's on `` a knoll , '' which gave rise to the name Anola . Others have suggested that Anola is named after the wife of a railway official ." ]
[ "The beach is named for Henry E. Huntington , the head of the Pacific Electric Railway . The PE served Huntington Beach for many years .", "Fire protection in Huntington Beach is provided by the Huntington Beach Fire Department ." ]
[ "Huntington Beach is a ocean town in Orange County , California .", "Two weekly newspapers cover Huntington Beach : The Huntington Beach Independent and The Wave Section of The Orange County Register ." ]
[ "It is has the Pacific Ocean on the southwest , Seal Beach in the northwest , Costa Mesa to the east , Newport Beach on the southeast , Westminster to the north , and Fountain Valley to the northeast .", "It is bordered by the Pacific Ocean on the southwest , by Seal Beach on the northwest , by Costa Mesa on the east , by Newport Beach on the southeast , by Westminster on the north , and by Fountain Valley on the northeast ." ]
[ "A blood vessel is a tube that carries blood . Blood vessels that take blood away from the heart are arteries .", "The blood vessels are the part of the circulatory system that transport blood throughout the body ." ]
[ "Blood vessels that take blood to the heart are veins . Capillaries are located between veins and arteries and they supply tissue with blood and oxygen .", "There are three major types of blood vessels : the arteries , which carry the blood away from the heart ; the capillaries , which enable the actual exchange of water and chemicals between the blood and the tissues ; and the veins , which carry blood from the capillaries back toward the heart ." ]
[ "The Toyota Yaris is a small car made and sold by Toyota .", "The Toyota Yaris is a subcompact car produced by Toyota since 1999 ." ]
[ "The first generation Yaris was known as the Toyota Echo in some markets .", "Between 1999 and 2005 , some markets received the same vehicles under the Toyota Echo name . Toyota has used the `` Yaris '' and `` Echo '' names on the export version of several different Japanese-market models ." ]
[ "Hiroshima is one of the prefectures in ChÅ `` goku area in Japan .", "Hiroshima Prefecture is a prefecture of Japan located in the ChÅ `` goku region on HonshÅ `` island ." ]
[ "Its capital is Hiroshima .", "The capital is the city of Hiroshima ." ]
[ "After centuries the plaster wore away , revealing the name of Sostratus .", "After centuries the plaster wore away , revealing the name of Sostratus" ]
[ "An episode of the PBS television series Nova chronicled the discovery .", "A Nova program chronicled the discovery ." ]
[ "Later satellite imaging has revealed further remains .", "Subsequent satellite imaging has revealed further remains ." ]
[ "Î # Î Î # Î Î Î ` Î Î Î # Î '' Î Î Î Î Î ` Î Î Î Î Î Î Î '' Î Î Î # Î Î Î Î Î # Î # Î Î Î Î Î # Î Î Î Î Î Î Î Î Î Î Î Î Î Î -- Î Î Î Î Î Î . ( Sostratus of Cnidus , son of Dexiphanes , to the Gods protecting those upon the sea . )", "But the architect left the following inscription on the base 's walls nonetheless : `` Sostratus of Cnidus , son of Dexiphanes , to the Gods protecting those upon the sea '' ( original Greek inscription : '' Î # Î Î # Î Î Î ` Î Î Î # Î '' Î Î Î Î Î ` Î Î Î Î Î Î Î '' Î Î Î # Î Î Î Î Î # Î # Î Î Î Î Î # Î Î Î Î Î Î Î Î Î Î Î Î Î Î -- Î Î Î Î Î Î '' ) These words were hidden under a layer of plaster , on top of which was chiseled another inscription honoring Ptolemy the king as builder of the Pharos ." ]
[ "Divers discovered remains of the lighthouse in fall 1994 on the floor of Alexandria 's Eastern Harbour .", "French archeologists led by Jean-Yves Empereur discovered remains of the lighthouse in late 1994 on the floor of Alexandria 's Eastern Harbour ." ]
[ "Î # Î Î # Î Î Î ` Î Î Î # Î '' Î Î Î Î Î ` Î Î Î Î Î Î Î '' Î Î Î # Î Î Î Î Î # Î # Î Î Î Î Î # Î Î Î Î Î Î Î Î Î Î Î Î Î Î -- Î Î Î Î Î Î .", "The Lighthouse of Alexandria , also known as the Pharos of Alexandria ( in greek á 1\\/2 Î Î Ï Î Ï á 1\\/4 Î '' Î Î 3\\/4 Î Î 1\\/2 Î Ï Î Î 1\\/2 Ã Ï ) was a tower built between 280 and 247 BC on the island of Pharos at Alexandria , Egypt ." ]
[ "The first line-up was Peter Gabriel ( vocals ) , Anthony Phillips ( guitar ) , Tony Banks ( keyboards ) , Mike Rutherford ( bass & guitar ) , and Chris Stewart ( drums ) .", "The band currently comprises the longest-tenured members Phil Collins ( lead vocals and drums ) , Mike Rutherford ( guitar and bass guitar ) , and Tony Banks ( keyboards ) . Peter Gabriel , Anthony Phillips and Steve Hackett also played major roles in the band in its early years ." ]
[ "They have sold about 150 million albums all over the world . This puts them among the top 30 best-selling recording artists of all time .", "Genesis are among the top 30 highest-selling recording artists of all time with approximately 150 million albums sold worldwide ." ]
[ "Over the years , Genesis has changed members more than once . The first line-up was Peter Gabriel ( vocals ) , Anthony Phillips ( guitar ) , Tony Banks ( keyboards ) , Mike Rutherford ( bass & guitar ) , and Chris Stewart ( drums ) .", "Formed out of school bands Garden Wall and The Anon , Genesis 's original line-up consisted of Peter Gabriel ( vocals ) , Anthony Phillips ( guitar ) , Tony Banks ( keyboards ) , Mike Rutherford ( bass & guitar ) and Chris Stewart ( drums ) ." ]
[ "Genesis is an English progressive rock group . They formed in 1967 .", "Genesis are an English rock band that formed in 1967 ." ]
[ "It is found in the region Pays de la Loire in the Vendà e department in the west of France .", "Pouillà is a commune in the Vendà e department in the Pays de la Loire region in western France ." ]
[ "Pouzauges is a commune . It is found in the region Pays de la Loire in the Vendà e department in the west of France .", "Pouzauges is a commune in the Vendà e department in the Pays de la Loire region in western France ." ]
[ "Daniel Hector Bouchard ( born on December 12 , 1950 , in Val-d ` Or , Quebec ) is a retired professional ice hockey goaltender .", "Daniel Hector Bouchard ( born December 12 , 1950 in Val-d ` Or , Quebec ) is a retired professional ice hockey goaltender ." ]
[ "Braux is a commune of the Aube dà partement in the north-central part of France .", "Braux is a commune in the Aube department in north-central France ." ]
[ "U.S. Route 25 is a US highway in the east part of the United States of America . It goes from north to south .", "U.S. Route 25 is a north -- south United States highway that runs for 750 m from Brunswick , Georgia to the Ohio state line in Covington , Kentucky ." ]
[ "Gardeners use the word to distinguish plants from a shrub that have lower height , typically less than 10 -- 20 cm tall , or that are only weakly woody and\\/or persist only for a few years .", "It is distinguished from a shrub by its ground-hugging stems and lower height , with overwintering perennial woody growth typically less than 10 -- 20 cm tall , or by being only weakly woody and\\/or persisting only for a few years ." ]
[ "Josà Luiz de Oliveira ( born 16 November , 1904 ) is a former Brazilian football player .", "Josà Luiz `` Zà Luiz '' de Oliveira ( 16 November 1904 -- ? ) was a Brazilian football player ." ]
[ "He has played for Brazil national team .", "He played for the Brazil national football team at the 1930 FIFA World Cup finals ." ]
[ "It contains chlorine in its +3 oxidation state .", "A chlorite ( compound ) is a compound that contains this group , with chlorine in oxidation state +3 ." ]
[ "They can be known as salts of chlorous acid . Some chlorites are explosives .", "Chlorites are also known as salts of chlorous acid ." ]
[ "Chlorite is an ion . Its chemical formula is ClO2 â `` .", "The chlorite ion is ClO2 â ' ." ]
[ "It is the capital of Karbala Province .", "Karbala ( ; BGN : Al-Karbal Ä â ; also referred to as KarbalÄ ' al-Muqaddasah ) is a city in Iraq , located about southwest of Baghdad at 32.61 Â N , 44.08 Â E. Karbala is the capital of Karbala Governorate , and has an estimated population of 572,300 people ( 2003 ) ." ]
[ "Oyster card ( pay as you go ) is accepted at the station from 2 January 2008 .", "Oyster card ( pay as you go ) has been accepted at the station from 2 January 2008 ." ]
[ "Chà rancà is a commune of 166 people ( 1999 ) . It is found in the region Pays de la Loire in the Mayenne department in the northwest of France .", "Chà rancà is a commune in the Mayenne department in north-western France ." ]
[ "Karl Allgà wer ( born 5 January , 1957 ) is a former German football player .", "Karl Allgà wer ( born 5 January 1957 ) is a German former footballer ." ]
[ "Souastre is a commune . It is found in the region Nord-Pas-de-Calais in the Pas-de-Calais department in the north of France .", "Souastre is a commune in the Pas-de-Calais department in the Nord-Pas-de-Calais region of France ." ]
[ "Long Eaton is a town in south east Derbyshire in England .", "Long Eaton is a town in Derbyshire , England ." ]
[ "It is near to the River Trent and seven miles southwest of Nottingham .", "It lies just north of the River Trent about 7 m southwest of Nottingham and is part of the Nottingham Urban Area ." ]
[ "The town has two large schools for secondary pupils which are Wilsthorpe Community School and Long Eaton School . Trent College is also in Long Eaton .", "Long Eaton has two state secondary schools , The Long Eaton School and Wilsthorpe Business and Enterprise College as well as several primary schools ." ]
[ "PDF commonly refers to the Portable Document Format in computing .", "PDF is most commonly used to refer to a type of Portable Document Format in computing ." ]
[ "She later moved to California , where she lived on her own until age 105 . She spent her final years at the Western Convalescent Center in Jefferson Park , Los Angeles .", "She lived on her own until she was 105 years old , and at the Western Convalescent Home in Jefferson Park , Los Angeles until her death ." ]
[ "She was the last person known to have been born in 1894 and the oldest ever person to have been born in that year .", "She was the last recognized surviving person documented as being born in 1894 , and the most recent person to celebrate a 115th birthday ." ]
[ "Baines was known to have been living in Hartford , Connecticut before moving to Ohio , where she worked as a maid at the Ohio State University .", "She later moved to Ohio , where she worked as a maid at Ohio State University , before moving many years later to California ." ]
[ "Gertrude Baines ( April 6 , 1894 -- September 11 , 2009 ) was an American woman who was believed to have been the oldest person in the world from the death of Portuguese woman Maria de Jesus on January 2 , 2009 until her death on September 11 , 2009 .", "Gertrude Baines ( April 6 , 1894 â `` September 11 , 2009 ) was an American supercentenarian , who was the oldest recognized living person according to Guinness World Records , from January 2 , 2009 , the death of Portuguese woman Maria de Jesus , until her own death on September 11 , 2009 , at age 115 years 158 days ." ]
[ "Gertrude Baines married Sam Conley at a very young age and had one daughter who died of typhoid fever at the age of 18 .", "Gertrude Baines married Sam Conley at a `` very young age '' and had a daughter , Annabelle , born in 1909 , who died of typhoid fever at age 18 ." ]
[ "Even today , many brewers are proud of the Reinheitsgebot ; most German breweries say they follow it .", "German breweries are very proud of the Reinheitsgebot , and many ( even brewers of wheat beer ) claim to still abide by it ." ]
[ "Some only use it as a marketing tool . The Reinheitsgebot ' says that beer is made of barley , so all wheat beers were not allowed by the original Reinheitsgebot ) .", "The vast majority of German breweries continue to comply with the Biergesetz , often claiming compliance with the Reinheitsgebot even when it is patently incorrect ( for example , for wheat beers , which were prohibited by the Reinheitsgebot ) , using this compliance as a valuable marketing tool ." ]
[ "The Reinheitsgebot is no longer part of German law . It has been replaced by the Provisional German Beer Law , which allows things prohibited in the Reinheitsgebot , such as wheat malt and cane sugar , but which no longer allows unmalted barley .", "The Reinheitsgebot is no longer part of German law : it has been replaced by the Provisional German Beer Law ( Vorlà ufiges Deutsches Biergesetz ( Provisional German Beer-law of 1993 ) ) , which allows constituent components prohibited in the Reinheitsgebot , such as wheat malt and cane sugar , but which no longer allows unmalted barley ." ]
[ "Antà nio Monteiro Dutra ( born 11 August 1973 ) is a Brazilian football player .", "Antà nio Monteiro Dutra or simply Dutra ( born August 11 , 1973 in Duque Bacelar-MA ) , is a Brazilian left back ." ]
[ "He plays for Sport Recife .", "He currently plays for Sport ." ]
[ "MuÅ eniÅ # a is a commune found in Suceava County , Romania .", "MuÅ eniÅ # a is a commune located in Suceava County , Romania ." ]
[ "Sumacs are small trees .", "Sumacs are shrubs and small trees that can reach a height of 1 - ." ]
[ "The flowers are in spikes . Each flower is very small , greenish , creamy white or red , with five petals .", "The flowers are in dense panicles or spikes 5 - long , each flower very small , greenish , creamy white or red , with five petals ." ]
[ "The fruits form clusters of reddish drupes called `` sumac bobs '' .", "The fruits form dense clusters of reddish drupes called sumac bobs ." ]
[ "Paulo CÃ sar Lima ( born 16 June , 1949 ) is a former Brazilian football player .", "Paulo CÃ sar Lima ( born June 16 , 1949 in Rio de Janeiro ) , commonly known as Caju , is a former football player from Brazil ." ]
[ "If this page is displaying out of date information after you have refreshed the page in your browser , please ' the server 's cache .", "If this page is still displaying out of date information after you have refreshed the page in your browser , please ' the server 's cache ." ]
[ "Sunrise is a city of Florida in the United States .", "In September 2010 , Sunrise was lost by Google Maps . If websurfers used Google Maps to get driving directions or locate a business in Sunrise they were redirected to Sarasota , Florida This was the third time Sunrise was ` lost ' ." ]
[ "Reading has two universities and is famous for its rock festival . Reading is home to Premiership football and rugby teams .", "Reading , Pennsylvania and Reading , Massachusetts are both named after Reading ." ]
[ "William Penn Adair â Willâ Rogers ( November 4 1879 â `` August 15 1935 ) was a Cherokee-American cowboy , comedian , humorist , social commentator , vaudeville performer and actor .", "William Penn Adair Rogers ( better known as `` Will '' Rogers ) ( November 4 , 1879 â `` August 15 , 1935 ) was an American cowboy , comedian , humorist , social commentator , vaudeville performer and actor and one of the best-known celebrities in the 1920s and 1930s ." ]
[ "During his life he traveled around the world three times , made 71 movies ( 50 silent films and 21 `` talkies '' ) , wrote more than 4,000 nationally-syndicated newspaper columns , making him a world-famous figure .", "He traveled around the world three times , made 71 movies ( 50 silent films and 21 `` talkies '' ) , wrote more than 4,000 nationally-syndicated newspaper columns , and became a world-famous figure ." ]
[ "During an around-the-world trip with piolt Wiley Post , Rogers died when their small airplane crashed near Barrow , Alaska Territory in 1935 .", "Rogers died in 1935 with aviator Wiley Post , when their small airplane crashed near Barrow , Alaska ." ]
[ "Julio dos Santos ( born 7 May 1983 ) is a Paraguayan football player .", "Julio Daniel dos Santos Rodrà guez ( born 7 May 1983 in Asuncià n ) is a Paraguayan footballer who currently plays for Brazilian club Atlà tico Paranaense ." ]
[ "When Guru Tegh Bahadur Was discovered by Baba Makhan Shah Labana , Makhan Shah climbed on top a village roof and started shouting the famous line Guru ladho rae `` The Guru has been found '' which is alleged to be in Lubanki dialect .", "When Guru Tegh Bahadur Was discovered by Baba Makhan Shah Labana , Makhan Shah climbed on top a village roof and started shouting the famous line `` Guru ladho rae , '' `` The Guru has been found , '' which is alleged to be in Lubanki dialect ." ]
[ "Lubanki , Also known as Labanki is an Indo-Aryan language spoken by the Lubanas tribal grouping in the Republic of India and Pakistan .", "Lubanki , also known as Labanki , is an Indo-Aryan language spoken by the Labanas tribal grouping in Punjab ." ]
[ "Lubanki has been spoken in Rajasthan and Gujarat areas and some areas of Pakistan .", "Lubanki has been spoken in Rajasthan and Gujrat areas and some areas of Pakistan ." ]
[ "With the loss of language prestige and status , most Lubanas now speak other forms of Panjabi as their primary language .", "With the loss of language prestige and status , most Labanas now speak other forms of Panjabi as their primary language ." ]
[ "Borussia V.f.L. 1900 MÃ nchengladbach is a football club which plays in Germany .", "Borussia MÃ nchengladbach is a German association football club based in MÃ nchengladbach , North Rhine-Westphalia ." ]
[ "Poptropica is an online video game for children ages 6 to 15 .", "Poptropica is an online game , targeted at children ages 6 to 15 , where players can travel , play games , compete in head-to-head competition , and communicate safely with each other ." ]
[ "During mating season , these salamanders will travel upstream .", "During mating season , these salamanders will travel upstream , where the female lays two strings of over two hundred eggs each ." ]
[ "At this point , the offspring will live off their noticeable stored fat until it is ready to hunt .", "At this point , the larvae will live off their noticeable stored fat until ready to hunt ." ]
[ "Sometimes the male `` Den Master '' will also allow a second male into the den , the reason for this is unclear .", "On occasion the male `` den master '' will also allow a second male into the den ; the reason for this is unclear ." ]
[ "They hunt mainly at night , and as they have poor eyesight , use sensory nodes on their head and body to detect tiny changes in water pressure , allowing them to find their prey .", "They hunt mainly at night , and as they have poor eyesight , they use sensory nodes on their head and body to detect minute changes in water pressure , allowing them to detect their prey ." ]
[ "Scientists at Asa Zoo in Japan have recently discovered that the Male Salamander will spawn with more than one female in his den .", "Scientists at Asa Zo in Japan have recently discovered that the male salamander will spawn with more than one female in his den ." ]
[ "Monty Python 's Life of Brian is a 1979 comedy by Monty Python , which is about the life of Brian Cohen ( Graham Chapman ) , a young man born on the same night and the same street as Jesus Christ .", "Monty Python 's Life of Brian , also known as Life of Brian , is a 1979 British comedy film written , directed and largely performed by the Monty Python comedy team . It tells the story of Brian Cohen ( played by Graham Chapman ) , a young Jewish man who is born on the same day as , and next door to , Jesus Christ , and is subsequently mistaken for the Messiah ." ]
[ "Es ( Ð , Ñ ) is the seventeenth letter in the Cyrillic alphabet .", "Es ( Ð Ñ ; italics : Ð Ñ ) is a letter of the Cyrillic alphabet ." ]
[ "Grà mio Foot-Ball Porto Alegrense is a football club which plays in Brazil .", "Grà mio Foot-Ball Porto Alegrense , is a Brazilian professional association football team based in Porto Alegre , Rio Grande do Sul founded by English and German immigrants on September 15 , 1903 ." ]
[ "Her musical career started in the 1980s group Sound of Music .", "Grà nvall 's musical career started in the 1980s group Sound of Music ." ]
[ "Over the following ten years she established herself as a songwriter in Melodifestivalen , writing two songs for the 1992 competition and the 1995 runner-up Det vackraste ( The Most Beautiful Thing ) performed by Cecilia Vennersten .", "Over the following ten years she established herself as a songwriter in Melodifestivalen , writing two songs for the 1992 competition and the 1995 runner-up `` Det vackraste '' ( `` The Most Beautiful Thing '' ) performed by Cecilia Vennersten ." ]
[ "The trio participated twice in the Swedish Eurovision Song Contest selections , Melodifestivalen , finishing fourth both times ; in 1986 with Eldorado and in 1987 with Alexandra .", "The trio participated twice in the Swedish Eurovision Song Contest selections , Melodifestivalen , finishing fourth both times ; in 1986 with `` Eldorado '' and in 1987 with `` Alexandra '' ." ]
[ "Nanne Grà nvall ( born Marianne Elisabeth Nordqvist on May 18 1962 in Stockholm ) is a Swedish singer-songwriter .", "Marianne Elisabeth Nordqvist ( born on 18 May 1962 in Stockholm ) more popularly known as Nanne Grà nvall is a Swedish singer-songwriter ." ]
[ "The use of adits is generally called drift mining .", "The use of adits for the extraction of ore is generally called drift mining ." ]
[ "Adits are usually built into the side of a hill or mountain , and often occur when coal or ore is located inside the mountain but above the local valley floor or coastal plain .", "Adits are driven into the side of a hill or mountain , and are often used when an ore body is located inside the mountain but above the adjacent valley floor or coastal plain ." ]
[ "Made of bamboo , it has six finger holes and one thumb hole and is open on both ends .", "Usually made of bamboo or wood , it has 6 finger holes and one thumb hole and is open on both ends ." ]
[ "In the 1980s and 1990s some post-Nueva Cancià n rock groups have also used the quena in some of their songs ; notably Soda Stereo in Cuando Pase el Temblor and Los Enanitos Verdes in Lamento Boliviano .", "In the 1980s and 1990s some post-Nueva Cancià n rock groups have also incorporated the quena in some of their songs ; notably Soda Stereo in Cuando Pase el Temblor and Los Enanitos Verdes in Lamento Boliviano ." ]
[ "It is normally in the key of G major . G is the lowest note when all the holes are covered .", "It is normally in the key of G , with G being the lowest note ( all holes covered ) ." ]
[ "The quenacho ( also `` kenacho '' in English ) is a bigger , lower sounding type of quena and made the same way .", "The quenacho ( also `` kenacho '' in English ) is a greater , lower-toned version of the quena and made the same way ." ]
[ "It is in the key of D major , a fourth lower than the quena .", "It is in the key of D , a fourth lower than the quena ." ]
[ "In the 1960s and 1970s the quena was used by several Nueva Cancià n musicians . Some groups such as Illapu have used it regularly .", "In the 1960s and 1970s the quena was used by several Nueva Cancià n musicians , this use was in most cases for particular songs and not as an standard instrument but some groups such as Illapu have used it regularly ." ]
[ "The quena , also written as `` kena '' in English , is the traditional flute of Peru and the Andes .", "The quena ( , sometimes also written `` kena '' in English ) is the traditional flute of the Andes ." ]
[ "In most of Andes ' towns `` vamos a ir a la quena '' ( we will go to the quena ) was used to threaten little children , because the quena was made of bamboo , a hard material .", "In most of Andes ' towns `` vamos a ir a la quena '' ( we will go to the quena ) was a popular sentence to threaten little children , because the quena was made of bamboo , a hard material ." ]
[ "To make a sound , the player closes the top end of the pipe with the flesh between his chin and lower lip , and blows a stream of air downward , over a notch cut into the end .", "To produce sound , the player closes the top end of the pipe with the flesh between his chin and lower lip , and blows a stream of air downward , along the axis of the pipe , over an elliptical notch cut into the end ." ]