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: Also he had a nervous way of looking over his shoulder with a swift, suspicious glance. Choices:  1. His glance was swift and suspicious. 2. He smiled when he nervously looked over his shoulder. 3. He remained calm and confident when he looked over his shoulder.

3