Definition: In this task, you're given a statement, and three sentences as choices. Your job is to determine which sentence clearly disagrees with the statement. Indicate your answer as '1', '2', or '3' corresponding to the choice number of the selected sentence.
Input: Statement: If they had had to wait until patients were sober, many would be discharged because in his ED, patients are discharged when staff estimate their BAC is below 0.08 g/dl. Choices:  1. ED staff discharge patients when they estimate their BAC falls below 0.08 g/dl.   2. The staff in the ED are required to keep patients until their BAC is 0.02 g/dl before they are released. 3. The level of BAC of 0.08 g/dl is not elevated enough to consider a patient to be intoxicated, according to staff in the ED. 

2