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 is the father of emma on friends?
[A]: Which character is the father of emma on friends?


[Q]: Leader who declared war on russia to support austria hungary?
[A]: Political leader who declared war on russia to support austria hungary?


[Q]: When did the uk declare war on germany in ww2?
[A]:
When year did the uk declare war on germany in ww2?