Update app.py

app.py

@@ -15,6 +15,7 @@ llm = HuggingFaceEndpoint(
 )
 
 template_classify = '''
+You are a main topic detector system. Your task is to determine the main topic of given text.
 What is the main topic of given text?:
 
 <text>  
@@ -22,7 +23,8 @@ What is the main topic of given text?:
 </text>
 
 Answer generally not specifically, your response should not contain specific information from given text just general topic.
-Answer shortly with two or three word phrases not with long sentence
+Answer shortly with two or three word phrases not with long sentence.
+If you do not know the topic just answer as General.
 '''
 
 template_json = '''