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: That should save some time, at least. Choices:  1. At least that should be a time saver. 2. That should prove to be more Prudent. 3. That will prove to be a waste of time at the least.

3