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: Maintenance of effect might be possible with yearly consultations. Choices: 1. Yearly consultations may make it possible to maintain the effect. 2. Maintenance of effect is definitely possibly with monthly consultations, however. 3. It's impossible to maintain the effect with yearly consultations.

2