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 Q]: Who played charles dickens in the man who invented christmas?
[EX A]: Who played adult charles dickens in the man who invented christmas?

[EX Q]: Model of the solar system that places earth in the center?
[EX A]: Whose model of the solar system places Earth in the center?

[EX Q]: Who is left in the big brother house 20?
[EX A]:
Who is left in the British big brother house at the end of the season 20?