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

Q: Alphabetically, which is the last state in Australia?

A: australia
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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: Who had a top ten U.K. hit in 1998 with Chocolate Salty Balls?

A:
chocolate salty balls
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