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: What breed of dog is Marmaduke in the newspaper cartoon strip of that name?

Answer: dog


Question: In which opera does a hunchback jester help his master, the Duke of Mantua, to seduce the daughter of a courtier?

Answer: duke of mantua


Question: Adler, Stradler and Mckagan were the less famous members of which band?

Answer:
steven adler