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: Many federal CIOs, in the normal course of their own efforts, have already begun working along the lines of the advice provided in this guide. Choices:  1. Federal CIOs have not begun using the advice. 2. Federal CIOs have begun using the advice. 3. Federal CIOs have begun using the advice that was given to them.

1