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: FULL COST - The total amount of resources used to produce the output. Choices:  1. The full cost is always expensive.  2. Full cost is only a fraction of production cost.  3. Full cost is the amount of resources used to produce.

2