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.

Ex Input:
Who created the plan that became known as the american system?

Ex Output:
Who  was the creation of the American System based on?


Ex Input:
Who was the original actor who played maigret?

Ex Output:
Who was the actor who played Maigret in nearly all of the 1960 TV series?


Ex Input:
Where is day of the dead most celebrated?

Ex Output:

What country is day of the dead most celebrated?