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: Chep Lap Kok airport is located where?

Answer: hong kong international airport

Question: In which English city was Damien Hirst born?

Answer: damien hirst

Question: Which of the Romantic poets wrote the epic semi- autobiographical poem 'Childe Harold's Pilgrimage'?

Answer:
childe harold's pilgrimage