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

Q: What is the smallest country in Central America Costa Rica, Venezuela or El Salvador?

A: central america
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Q: Who choreographed the ballets Swan Lake and Don Quixote, among others?

A: don quixote
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Q: What is the title of Alex Comfort's best-selling illustrated manual, first published in October 1972?

A:
alex comfort
****