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: He understood the importance of the ball spinning down to up instead of up to down. Choices:  1. He didn't know what to do with the ball. 2. He knew what to do with the ball. 3. He knew how to juggle.

1