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: Throughout 1997, 1998, and 1999, GAO worked closely with the Congress on Y2K issues-including this subcommittee. Choices:  1. Through 1997-99 GAO worked with Congress on Y2K issues. 2. Through 1997-99 GAO worked with Congress on Y2K issues and other important issues. 3. Through 1997-99 GAO worked without Congress on Y2K issues.

3