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:
When did britain give hong kong to china?

Ex Output:
At what time did britain give hong kong to china?


Ex Input:
Where is the x factor final 2017 filmed?

Ex Output:
In what building is the x factor final 2017 filmed?


Ex Input:
Game of thrones the hound's real name?

Ex Output:

Game of thrones the hound's real name of character?