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: GAO's activities are designed to ensure the executive branch's accountability to the Congress under the Constitution and the federal government's accountability to the American people. Choices: 1. GAO is designed to ensure how eficient the branch is. 2. GAO is designed to ensure the accountability of the executive branch. 3. GAO is designed to ensure the accountability of the executive branch to the constiuents in their districts.

3