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: His shout was drowned in the roar of the motor. Choices:  1. His words were incomprehensible because of the engine. 2. He was perfectly audible over the slight rumble. 3. He tried to stop the car.

2