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:
When did the beatles stop touring and why?

Ex Output:
When did the Beatles stop touring?


Ex Input:
Why do they use john doe and jane doe?

Ex Output:
Why do they use John Doe and Jane Doe instead of the person's real name?


Ex Input:
What are the main areas of earth science?

Ex Output:

What is the main area of earth science that describes the rocky parts of the Earth's crust?