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: Attack on their backs and sides. Choices:  1. Attack their front and feet.  2. Their backs and sides are the best to be attacked.  3. Attack quickly on their backs and sides.

1