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: This characteristic is a symmetry condition imposed in the econometrics as the demand equations were developed. Choices:  1. The equations were expanded to project the future growth. 2. A symmetry condition is the characteristic. 3. The demand equations were not further developed.

3