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.

[EX Q]: When did sound become a regular part of the motion picture viewing experience?
[EX A]: When did sound become introduced as part of the motion picture viewing experience?

[EX Q]: Sharks rays and skates belong to what group?
[EX A]: Sharks rays and skates belong to what class?

[EX Q]: Who played marla on a league of their own?
[EX A]:
Who played younger Marla on a League of Their Own?