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.

Example Input: Who sings the song what does the fox say?
Example Output: Who is the music group that sings the song what does the fox say?

Example Input: Model of the solar system that places earth in the center?
Example Output: Whose model of the solar system places Earth in the center?

Example Input: Who played in the 2017 ncaa championship game?
Example Output:
What teams played in the 2017 men's NCAA championship game?