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: Which strong man appears in the Bible in the Book of Judges?

Answer: book of judges


Question: Which current Broadway musical has a Japanese therapist character called Christmas Eve?

Answer: christmas eve


Question: Who was British Prime Minister from 1922-23, shortly before he died?

Answer:
prime minister of the united kingdom