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: But foster ties are also strong. Choices:  1. Foster ties are strong. 2. Fostering strong ties is a good plan. 3. Foster ties are weak.

3