Problem: Given the question: Determine the topic of the question-answer pair. Question: "what is black hairy tongue disease?"; Answer: "Black hairy tongue (BHT, also termed lingua villosa nigra) refers to a condition of the tongue where the filiform papillae elongate with black or brown discoloration, giving a black and hairy appearance."? Topic:
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The answer is:
Black hairy tongue

input question: Determine the topic of the question-answer pair. Question: "where did the persian war take place?"; Answer: "In 494 BC, the Persians regrouped, and attacked the epicentre of the revolt in Miletus."? Topic:???
output answer: Greco-Persian Wars

Determine the topic of the question-answer pair. Question: "how many people live in memphis tennessee?"; Answer: "Memphis had a population of 672,277 in 2011 making it the largest city in the state of Tennessee , the largest city on the Mississippi River , the third largest in the Southeastern United States , and the 20th largest in the United States."? Topic:
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Answer: Memphis, Tennessee

Q: Determine the topic of the question-answer pair. Question: "what does add my two cents mean?"; Answer: ""My two cents" (2) and its longer version "put my two cents in" is an United States (US) idiomatic expression, taken from the original English idiom expression: to put in "my two pennies worth" or "my tuppence worth.""? Topic:
A: My two cents

Question: Determine the topic of the question-answer pair. Question: "what is the location of coldwater ms?"; Answer: "Coldwater is a small town in Tate County , Mississippi ."? Topic:
Answer: Coldwater, Mississippi

Please answer this: Determine the topic of the question-answer pair. Question: "who makes blackberry?"; Answer: "The BlackBerry is a line of wireless handheld devices and services designed and marketed by Research In Motion Limited (RIM) operating as BlackBerry ."? Topic:
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Answer:
BlackBerry