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.

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

Where does the book the last song take place?
Where does the book The Last Song mostly take place?

What percentage of nhl hockey players are canadian?

What percentage of nhl hockey players are canadian in the 1980s?