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: Poirot followed me down the narrow stairs.  Choices:  1. I felt cramped as I walked down the staircase. 2. I walked down the stairs with Poirot behind me.  3. Poirot walked before me down the stairs. 

3