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: Who does the voice of cortana in halo?

SOLUTION: Who acts and does the voice of cortana in the 2021 halo tv series?

PROBLEM: Who has won more trophies chelsea or manchester united?

SOLUTION: Who has won more premier league trophies chelsea or manchester united?

PROBLEM: When's the next time easter falls on april fools day?

SOLUTION:
As of 2015, when is the next time Easter falls on April fools day?