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: Part of the answer may be that our financial system has become dangerously efficient. Choices:  1. We can not rely on the efficiency of the financial system. 2. The efficiency obtained has proven to work in other areas, which could translate to this one. 3. One solution may lie in the extreme efficiency we have obtained.

1