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.

[Q]: Who was looking for a heart in the wizard of oz?
[A]: Who is the character that was looking for a heart in the wizard of oz?


[Q]: Who was chris tate's wife in emmerdale farm?
[A]: Who was chris tate's wife in emmerdale farm during 1991-1994?


[Q]: Setting of the story of the song of roland?
[A]:
What battle serves as the setting of the story of the song of roland?