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

Q: The 2002 Winter Olympics were held in which city?

A: 2002 winter olympics
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Q: What is the capital of the US state of California?

A: california
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Q: By what name is Aragorn first known to the hobbits when they meet him in Bree?

A:
aragorn
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