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: Dave thought it over. Choices:  1. Dave weighed the pros and cons in his mind. 2. Dave considered it. 3. Dave didn't bother to think about it before deciding.

3