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: When was the us department of labor created?

SOLUTION: When was the us department of labor first created by congress?

PROBLEM: What type of radiation is used in x rays?

SOLUTION: What general type of radiation is used in x rays?

PROBLEM: Who was in series 1 of safe house?

SOLUTION:
Who was cast as Robert Carmichael in Series 1 of Safe House?