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: GAO already does a lot of case studies-or at least, what we ourselves call case studies in describing our methods. Choices:  1. GAO is currently trying to limit the number of case studies it does because of the drain on resources.  2. What we ourselves call case studies, GAO is already doing many of them.  3. GAO has never done any sort of case study - at least, our definition of case studies.

3