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

Q: The rivers Axe, Brue, Cary, Parrett, eta, are in which English county?

A: castle cary
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Q: The film The Curious Case of Benjamin Button, starring Brad Pitt, is based on a short story by whom?

A: the curious case of benjamin button
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Q: Dick York, Dick Sargent, David White and Paul Lynde worked together on what US TV serial in the 1960s and 1970s?

A:
paul lynde
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