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: (1) A specification or product that has been formallyreviewed and agreed upon that thereafter serves as Choices: 1. The specification of the person that has been reviewed in a formal way and agreed upon serves as  2. The specification of the product that has been reviewed in a formal way and agreed upon serves as, said the dictionary, 3. The specification of the product that has been reviewed in a formal way and agreed upon serves as 

2