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 sang i'm telling you i'm not going?
[A]: Which character in Dreamgirls sang I'm telling you I'm not going?


[Q]: The office season 8 episode 7 guest stars?
[A]: The office season 8 episode 7 guest star's character?


[Q]: Who won the 2017 mens us open tennis?
[A]:
Who won the 2017 mens singles us open tennis?