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

Answer: the avengers


Question: Abyssinian, British Longhair and German Rex are all breeds of what?

Answer: british longhair


Question: Jacob Epstein and Barbara Hepworth were famous in which branch of the arts?

Answer:
barbara hepworth