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

Q: What is the nationality of Chelsy Davy, former girlfriend of Prince Harry?

A: chelsy davy
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Q: Which film was based on the story The Sentinel by Arthur C Clarke?

A: arthur c. clarke
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Q: Which band features Andy Hurley on drums and Joe Trohman on guitar?

A:
andy hurley
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