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

Q: In May 1940, who became British Prime Minister after the resignation of Neville Chamberlain?

A: prime minister of the united kingdom
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Q: What is the country of origin of the cheese called caerphilly?

A: caerphilly cheese
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Q: Which American President used the slogan 'It's Morning Again In America' for his 1984 Presidential campaign?

A:
president of the united states
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