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.

Why do they use john doe and jane doe?
Why do they use John Doe and Jane Doe instead of the person's real name?

Who came up with the five factor model?
Who came up with the initial five factor model?

Who sang climb every mountain in the sound of music movie?

Which character sang climb every mountain in the sound of music movie?