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

Q: Ewart was the middle name of which British Prime Minister?

A: prime minister of the united kingdom
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Q: In which constellation is the star Deneb?

A: deneb
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Q: Who won the Best Actor Oscar for his role in the 1984 film 'Amadeus'?

A:
academy award for best actor
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