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 policy states that, during this phase, a system's configuration should be documented and the system should be demonstrated using prototypes in a relevant environment. Choices: 1. The policy states that the system use child drawings for demonstration. 2. During the phase, it's important to note the configuration. 3. Document this system's configuration during the phase to note changes.

3