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?

Who dies in season 7 of army wives?
Who dies in season 7 episode 9 of army wives?

Box office collection of star wars the force awakens?

What is the box office collection of Star Wars: The Force Awakens in the United States and Canada?