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

Q: Who won the 1954 Academy Award for Best Actress for her role in the film 'Country Girl'?

A: the country girl
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Q: What is the main river of Brazil?

A: brazil
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Q: What was the theme music from Bridge on the River Kwai?

A:
the bridge on the river kwai
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