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: For further discussion about accommodating consumer behavior in modeling fiscal policy, see N. Gregory Mankiw, The Saver-Spender Theory of Fiscal Policy, NBER Working Paper 7571 (February 2000). Choices:  1. For further discussion talk to Gregory. 2. For further discussion see Gregory. 3. You can't discuss anymore.

3