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: Next, we determine the total cost of delivery performed by the incumbent and a second firm that is assumed to be equally efficient. Choices:  1. The second firm is going to have a lower total cost of delivery. 2. We're just going to focus on determining the incumbent's total cost of delivery. 3. For the next step we look at both the incumbent's total cost of delivery and that of another firm that we will assume to be just as efficient.

2