Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Q: What city is closest to Copacabana beach?

A: copacabana, rio de janeiro
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Q: Which cyclist won the first medal for Team GB at the 2012 Olympic Games?

A: gb
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Q: Which four letter word beginning with 'F' is a white crumbly Greek cheese, made from sheep's or goats milk and cured in brine?

A:
sheep
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