Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: In which opera does a hunchback jester help his master, the Duke of Mantua, to seduce the daughter of a courtier?

Answer: duke of mantua


Question: Will you still be sending me a valentine is a line from which Beatles song?

Answer: the beatles


Question: Corsica is surrounded by which sea?

Answer:
corsica