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: Notification of Before beginning any new engagement that requires GAO to seek information, data, or both, from an agency, Choices: 1. Before starting a new engagement that requires GAO to seek information, they must be notified on the website. 2. Before starting a new engagement that requires GAO to seek information, they must be notified. 3. Before starting a new engagement that requires GAO to seek funding, they must be notified.

1