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

Q: Which boxer was nicknames 'The Brown Bomber'?

A: boxing
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Q: The Neil Simon plays The Prisoner of Second Avenue and Brighton Beach Memoirs are set in which city?

A: brighton beach memoirs
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Q: Which singer created the alter egos Ziggy Stardust and Aladdin Sane?

A:
aladdin sane
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