TASK DEFINITION: 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.
PROBLEM: Why do they use john doe and jane doe?

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

PROBLEM: Which channel in youtube has the most subscribers?

SOLUTION: What was the Youtube channel with the most subscribers as of December 23, 2013?

PROBLEM: Where does song of the south take place?

SOLUTION:
Where does the filming of song of the south take place?