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: Electronic signatures meeting the aforementioned criteria, however, can provide the necessary data integrity for highly automated systems because the signature seals the data once it is applied. Choices:  1. Electronic signatures can be accepted for banking documents. 2. Electronic signatures are never safe enough. 3. Electronic signatures are often safe enough.

2