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: You bet your life it was." Tommy shook his head unconvinced. Choices:  1. Tommy couldn't shake the feeling that he wasn't telling all he knew. 2. Tommy nodded, thoroughly convinced of it. 3. Tommy wasn't convinced by that.

2