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

Q: Which is the only film of the fantasy genre ever to win the best picture Oscar - full name required?

A: academy award for best picture
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Q: Which 1970s musical film starred Angela Lansbury as a trainee witch?

A: angela lansbury
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Q: Who became British Prime Minister in June 1935?

A:
prime minister of the united kingdom
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