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: Who was the scheming wife of the Roman emperor Claudius?

Answer: claudius

Question: Who was the founder of the Body Shop company?

Answer: the body shop

Question: Who composed the music for the oratorio, 'Belshazzar's Feast'?

Answer:
belshazzar's feast