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

Q: What book was written by Alexandre Dumas about Edmond Dantes' imprisonment in the Chateau d'If?

A: alexandre dumas
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Q: According to folklore, what was the name of the monster slain by 'Beowulf'?

A: beowulf
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Q: Constantine XI Palaiologos was the last ruler of which empire?

A:
constantine xi palaiologos
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