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]: When did we become the united states of america?
[A]: When, based on evidence, did we begin calling ourselves the united states of america?


[Q]: Who do you play as in battlefront 2 campaign?
[A]: Who do you primarily play as in the 2017 battlefront 2 campaign?


[Q]: How many mg of thc to test positive?
[A]:
How many ng/mL of thc for urine to typically test positive in the US?