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

Q: Which English comedian has joined Amanda Holden as one of the judges on the current series of 'Britain's Got Talent'?

A: britain's got talent
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Q: What nationality was the composer Bela Bartok?

A: bela bartok
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Q: What was Roald Dahl`s follow up to his book `Charlie And The Chocolate Factory` called?

A:
charlie
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