Given a broad category, generate a trivia-type question based on a specific entity in that category. The question should be non-ambiguous. External resources such as Wikipedia could be used to obtain the facts.
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Question: fashion

Answer: The cravat was a predecessor to what modern garment?

Question: common

Answer: Alt, Bock, Dunkel and Helles are German varieties of what?

Question: common

Answer:
Alt, Bock, Dunkel and Helles are German varieties of what?