Definition: In this task, you're given a statement and three sentences as choices. Your job is to determine the neutral choice based on your inference from the statement and your commonsense knowledge. The neutral choice is a sentence that neither agrees nor disagrees with the statement. Indicate your answer as '1', '2', or '3', corresponding to the choice number of the selected sentence. If sentence X agrees with sentence Y, one's correctness follows from the other one. If sentence X disagrees with sentence Y, they can not be correct at the same time.
Input: Statement: The utility industry is also required to reduce SO2 emissions through the Acid Rain Trading Program described above. Choices: 1. SO2 emissions from the utility industry are also regulated. 2. Utility companies have reduced SO2 emissions by twenty percent last year. 3. Under these regulations, utility companies are exempted from SO2 limits.

2