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: Bricks fired on the spot are the valley's main building material. Choices: 1. Brick are not frequently used as building materials in the valley. 2. The main building material of the valley is locally fired bricks.  3. Because of their immediate availability, bricks are the valley's main building material. 

3