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: and an awful lot of the problems that we did on exams and our homework assignments and everything else involved converting Choices:  1. After my years in school, I'm an expert at converting centimeters to feet! 2. We didn't really have tests or homework when I was in school. 3. Our tests and homework had a lot of conversion problems.

2