Definition: In this task, you're given a statement and three sentences as choices. Your job is to determine which sentence can be inferred from the statement. Incorrect choices change the meaning in important ways or have details that are not mentioned in the statement. Indicate your answer as 1,2, or 3 corresponding to the choice number of the selected sentence.
Input: Statement: Emissions reductions are required by the end of 2007. Choices:  1. This emission reduction deadline was agreed-upon after an arduous fight in congress. 2. Emissions reductions are currently voluntary. 3. Emission reductions are legally required by the end of 2007.

3