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:
When did the beatles stop touring and why?

Ex Output:
When did the Beatles stop touring?


Ex Input:
What's the infant mortality rate in the united states?

Ex Output:

What is the infant mortality rate in the US from the World Bank in 2018?