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 shipping forecast area are the Channel Islands?

Answer: channel islands


Question: The wine-producing region of Hunter Valley is in which Australian state?

Answer: australia


Question: Which British actor played the lead part in the film of one of John Le Carre's more recent novels The Constant Gardener?

Answer:
the constant gardener