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: The former term is more common in postal rate circles and the latter more common in economics. Choices:  1. The former term is used only by economists, the second used only in postal rate circles. 2. The first term is used more in the postal rate terminology, the second in economics. 3. The two terms are used interchangeably and are equally understood in postal rate and economics circles.

1