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.

[Q]: Who created the plan that became known as the american system?
[A]: Who  was the creation of the American System based on?


[Q]: What female hormone that isn't produced by the follicle is now being produced by the corpus luteum?
[A]: What female hormone that isn't produced by the follicle is now being produced by the corpus luteum in high amounts?


[Q]: Who played guitar on goodbye yellow brick road?
[A]:
Who played bass guitar on the album goodbye yellow brick road?