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: The primary goal of this system is to base employee compensation primarily on the knowledge, skills, and performance of individual employees. Choices:  1. The system is unjust  2. The primary goal isn't to compensate employees  3. Primary goal of the system is to base employee payment on knowledge, skills and performance 

2