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: they'll knock each others blocks off Choices:  1. They will hurt one another if given the chance. 2. They will hit one another. 3. They would never harm each other.

3