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

Q: 'Arthur Clennam', 'Jeremiah Flintwinch', and 'Edward Sparkler' are all characters in which Dickens' novel?

A: arthur clennam
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Q: What is the country of origin of the cheese called caerphilly?

A: caerphilly cheese
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Q: What American won four gold medals at the 1984 Olympics?

A:
1984 summer olympics
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