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

Q: The plays 'The Barber of Seville' and 'Marriage of Figaro' were written by whom?

A: the marriage of figaro
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Q: 'Edward Lewis' and 'Vivian Ward' were the principal characters in which popular 1990 film?

A: edward lewis
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Q: Which city was the capital of the ancient nation of Assyria?

A:
assyria
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