You will be given a definition of a task first, then some input of the task.
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.

Statement: Such provisions have been critical to the success of the Acid Rain Program, encouraging individual sources to find the most cost-effective means of compliance with the collective emission reduction goal. Choices: 1. They did not encourage individuals to find cheaper means of compliance. 2. The acid rain program's success can be attributed to such provisions. 3. The acid rain program has protected the community's cars from erosion.
Output:
1