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: San'doro was on to something. Choices:  1. San'doro was catching on. 2. San'doro knew what to do to fix the problem. 3. San'doro had not caught on at all.

3