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 of course we have basilisks mounted on posts around the grounds. Choices:  1. There was nothing protecting the grounds. 2. Basilisks are mounted on posts around the grounds. 3. Basilisks, the robot-guards, were mounted around the grounds.

1