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: A  Greater East Asia Co-Prosperity Sphere,  as Japan called it, would be the ultimate aim of this invasion. Choices: 1. A secondary aim for the Japanese invasion was the decimation of rival powers in the region. 2. Japan decided to invade in order to create a political and economic union of East Asia. 3. Japan's foremost goal in carrying out the invasion was to spread Christianity to the region.

1