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: The headquarters building of which government agency is known as 'The Doughnut' due to its shape?

Answer: the doughnut


Question: In which city could you visit the Anne Frank House?

Answer: anne frank house


Question: Which Archbishop of Canterbury was convicted of heresy and burned at the stake?

Answer:
death by burning