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 40 percent reduction in mortality under the Alternative Estimate and the difference in valuation of premature mortality and chronic bronchitis explain the difference in benefits between these two approaches. Choices:  1. There is an explanation for the difference in benefits between the approaches. 2. There is not difference between these two approaches. 3. The difference in benefits between these two approaches cannot be ignored.

2