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.

Example Input: What type of radiation is used in x rays?
Example Output: What general type of radiation is used in x rays?

Example Input: Who is playing batman in the justice league movie?
Example Output: Who is playing batman in the 2017 justice league movie?

Example Input: Who sang back in the high life again?
Example Output:
Who sang lead vocals on back in the high life again?