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: 10 For simplicity, these fiscal policy simulations assume that saving by households, businesses, and state and local governments remains constant as a share of GDP and that the surpluses saved are used to reduce debt held by the public. Choices:  1. The fiscal policy simulations assume that saving by households remains constant for 7 years at a time. 2. The fiscal policy simulations assume that saving by households remains constant. 3. The fiscal policy simulations assume that saving by households remain in a highly fluctuant period.

3