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: Who was the man who escaped from alcatraz?
Example Output: Who were the man who escaped from alcatraz in June 1962 and are presumed dead?

Example Input: Who were the first european to reach the americas and when did they arrive?
Example Output: Who were the first Europeans to reach the Americas?

Example Input: Who sings is you is on tom and jerry?
Example Output:
Which character sings "Is You Is or Is You Ain't My Baby" in a Tom and Jerry short film?