Definition: In this task, you're given a statement, and three sentences as choices. Your job is to determine which sentence clearly disagrees with the statement. Indicate your answer as '1', '2', or '3' corresponding to the choice number of the selected sentence.
Input: Statement: There followed a long period of peace and prosperity known as the Pax Romana. Choices:  1. Pax Romana was a period of war and turmoil. 2. Pax Romana was a welcome change for the citizens of Rome. 3. Pax Romana was a period of peace and prosperity.

1