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 he acts as if he knows it. Choices:  1. The way he acts shows that he doesn't know it. 2. The way he acts seems to indicate that he know it. 3. He is confident in the way he asks because he knows it.

1