Q: 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.
Statement: It is this.  Choices:  1. This is what it is. 2. This is not it. 3. This is the most important thing.
A:
2