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: What is the capital of the US state of Delaware?

Answer: delaware


Question: Who played 'Emma Peel' in the 1998 film 'The Avengers'?

Answer: the avengers


Question: In which part of the British Isles is Carisbrooke Castle?

Answer:
carisbrooke castle