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 Input:
Who sings backup on thank you led zeppelin?

Ex Output:
Who sings backup on Thank You by Led Zeppelin and plays drums for the band?


Ex Input:
Who's the winner of american got talent?

Ex Output:
Who won season 12 of America's Got Talent?


Ex Input:
When did the us first start using drones?

Ex Output:

When did the us Navy first start experimenting with drones?