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: I've always thought it was important to do work to help people. Choices:  1. It's always been my opinion that helping people is important.  2. I don't think it's very important to help other people.  3. I think helping people is important and that's why I became a school teacher. 

2