In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to write a question that clarifies the given question in such a way that the generated question has one unique answer.
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Question: Who demonstrated that a reflex could be conditioned to a neutral stimulus?

Answer: Who is best-known for demonstrating that a reflex could be conditioned to a neutral stimulus?


Question: What album is man of the world on fleetwood mac?

Answer: What 1971 album is man of the world on fleetwood mac?


Question: When did california become a state of the united states?

Answer:
When did the land that is California become part of the united States?