TASK DEFINITION: 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.
PROBLEM: What idea was used to justify u.s. foreign policy during the cold war era?

SOLUTION: What ideas were used to justify u.s. foreign policy during the cold war era?

PROBLEM: What day of the year is mothers day always celebrated?

SOLUTION: What day of the year is mothers day always celebrated in the US?

PROBLEM: When is mother day celebrated in the united states?

SOLUTION:
When is mother's day traditionally celebrated in the United States?