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]: Who wrote the song man of constant sorrow?
[EX A]: Who wrote and first published the song man of constant sorrow with the title "Farewell Song"?

[EX Q]: When did the earth and solar system form?
[EX A]: When did the Solar System form?

[EX Q]: The two basic types of medical insurance in japan are?
[EX A]:
The basic type of medical insurance in japan for employees is?