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: The subsequent power struggle at first split the country into two imperial courts, and then effective control of Japan was splintered for two centuries among scores of daimyo (feudal warlords). Choices: 1. The power struggle split Japan into four imperial courts for one century. 2. The power struggle split Japan into two imperial courts for two centuries.  3. The power struggle of the two imperial courts caused conflict for two centuries.

3