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: All they want to do is vent. Choices:  1. The last thing they want to do is express themselves. 2. Their main purpose is to vent  3. Venting is all they want to do.

1