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: The civil war lasted a year. Choices:  1. The civil war was ultimately decided rather quickly due to the military strategists on the side of the victors. 2. The civil war took place over the course of a year. 3. The civil war lasted for over a decade.

3