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: Some participants believed that separation of the CEO and chairman of the board positions recognizes the differences in their roles and eliminates conflicts in functions. Choices:  1. It is commonplace for the CEO to also serve as the chairman of the board. 2. It is natural for the CEO to be the chairman of the board since their goals align. 3. The CEO and chairman of the board positions can be separated to eliminate conflicts in function.

2