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: Thus, an effective performance management system can be a strategic tool for organizations to drive internal change and achieve external results. Choices:  1. Organizations can't use performance management systems to encourage internal change. 2. Organizations tend to be more concerned with external results than internal change. 3. Organizations can use performance management systems to encourage internal change.

1