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: Although GAO has not had time to thoroughly analyze the strategy yet, we previously suggested that certain key elements be incorporated in the homeland security strategy. Choices: 1. Previously, GAO suggested that the homeland security strategy should include certain key elements. 2. GAO has already conducted a thorough analysis of the strategy. 3. The homeland security strategy has been in the works for over three years now.

3