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: The volumes are designed to meet the needs of users for references to original statements (Volume I) and to standards alphabetized by topic (Volume II). Choices: 1. These books are to help find original statements. 2. These books are to find original statements by famous people. 3. These books define words.

2