Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Q: Which British Prime Minister delivered the 'Winds of Change' speech in 1960?

A: wind of change
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Q: What country has an official residence called Blair House, kept for guests of the leader of the country?

A: blair
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Q: On which planet did NASA's Curiosity rover complete its first year, equal to 687 Earth days, in June 2014?

A:
curiosity
****