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: Finding the case locked, he was obliged to force it, thus 63 betraying his presence.  Choices:  1. The case was unlocked but he stilled forced it.  2. The locked case made noise which betrayed his presence.  3. He betrayed his presence by forcing the locked case. 

1