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: Some city delivery routes, called curb line routes, use vehicles to provide curbside delivery to a mail receptacle along the curb as is done by rural routes. Choices: 1. In some of the cities, it is illegal to use motorbikes for delivering mail. 2. Curb line routes is never used for delivering mail. 3. In some of the cities, vehicles are used for delivering mail along the curb.

1