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 nationality of Chelsy Davy, former girlfriend of Prince Harry?

Answer: chelsy davy

Question: Which European country contains the ski resorts of Davos and Klosters?

Answer: klosters

Question: What breed was Columbo's dog?

Answer:
dog