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: In one trauma center, BAC had a sensitivity of 63 percent for an alcohol disorder. Choices:  1. BAC can be measured by sensitivity to deduce alcohol disorder status. 2. BAC is also useful for measuring other alcohol related issues. 3. BAC cannot be measured by sensitivity to deduce alcohol disorder status.

3