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: -This Act may be cited as the 6 ''Clear Skies Act of 2002''. Choices: 1. The act was passed to limit pollution. 2. The act is dated as 2001. 3. The act may be cited elsewhere.

1