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: came back here and could not realize why i'd been so depressed through the winter Choices:  1. I knew I was depressed throughout winter. 2. I came back and still didn't realize why I was depressed all winter. 3. I couldn't realize why I was depressed since I was busy with moving back and working a lot. 

1