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

Q: Manchild and Buffalo Stance were hits for which singer?

A: manchild
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Q: Which English king was the son of Edward, the Black Prince?

A: edward, the black prince
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Q: In which town was Colonel Gaddafi killed in 2011?

A:
muammar gaddafi
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