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

Q: What is the main river of Brazil?

A: brazil
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Q: The film Schindler's List was based on whose Booker Prize winning novel of 1982?

A: schindler's list
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Q: Colleen McLoughlin married which English footballer in 2008?

A:
coleen rooney
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