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

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


Ex Input:
When did the first answering machine come out?

Ex Output:
When did the first commercially successful answering machine come out?


Ex Input:
Who did the voice for elsa in frozen?

Ex Output:

Who did the voice for Elsa as an adult in Frozen?