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: Alien agricultural workers, who are not temporary H-2A workers, are protected in their employment by the Migrant and Seasonal Agricultural Worker Protection Act (MSWPA), 29 U.S.C. Choices: 1. It protects their right not to be harmed. 2. The migrant and seasonal agricultural worker protection act protects alien agricultural workers. 3. The migrant and seasonal agricultural worker protection act protects office workers.

1