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

Q: Which American city has baseball-playing 'Dodgers'?

A: los angeles dodgers
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Q: Charon is a moon which orbits which body?

A: charon
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Q: In which Asian city is the 830 metres high Burj Khalifa?

A:
burj khalifa
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