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: Cinder Cone, composite, and shield are all types of what?

Answer: cinder cone

Question: Which Beatles song was also recorded by Peter Sellers?

Answer: the beatles

Question: Which children's television show featured the characters of George, Zippy and Bungle?

Answer:
zippy