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: Analyzing Postal Service accounts for depreciation, fuel, and maintenance for city delivery carriers, we have estimated the average city delivery vehicle cost per route. Choices:  1. The Postal Service cannot estimate the average city delivery vehicle cost. 2. Driving cost estimates can be averaged will sufficient data. 3. The cost of delivery for Postal Service carriers has been estimated.

1