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.

Input: Consider Input: When is it mothering sunday in the uk?

Output: When is it mothering sunday in the uk in 2017?


Input: Consider Input: What percentage of the us population has a phd?

Output: For people age 25-30, what percentage of the US population has a phd?


Input: Consider Input: Who won the battle of siege of leningrad?


Output: Which country won the battle of siege of leningrad?