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

Q: Mr Barkis, Edward Murdstone and Tommy Traddles are all characters in which Charles Dickens novel?

A: charles dickens
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Q: In what language was The Communist Manifesto written?

A: the communist manifesto
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Q: Rumer, Scout and Tallulah Belle are among the children of which Hollywood actor, formerly married to Demi Moore?

A:
demi moore
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