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.

[Q]: Who is the mother in how i met you mother?
[A]: Who plays The Mother in How I Met Your Mother?


[Q]: When did little rock central high school close?
[A]: When did Faubus order Little Rock Central High School to close?


[Q]: When did the welfare system began in the us?
[A]:
When did the first major federal welfare agency began in the us?