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: It's dangerous to know too much!" She leaned forward across the table. Choices:  1. She leaned back into her seat after her statement. 2. The dangerous knowledge is about Russian spies.  3. Knowledge, in this situation, can be dangerous to outsiders. 

1