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: What type of radiation is used in x rays?

A: What general type of radiation is used in x rays?
****
Q: Who is the father of emma on friends?

A: Which character is the father of emma on friends?
****
Q: Who has the most passing touchdowns in the nfl?

A:
Who has the most passing touchdowns in a career in the  regular season in the NFL?
****