You are given an open-domain question from an open movie database. Your task is to provide an answer to that question. Try to only include the answer. Do not put it in a sentence.

Q: which topics is Madhouse about?

A: mental illness, mental hospital
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Q: the director of You Ain't Seen Nothin' Yet was who?

A: Alain Resnais
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Q: how popular is Bloodbrothers?

A:
unknown
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