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: However, many mental-health professionals argue that a dimensional model makes more sense and would more closely mirror the real world. Choices:  1. It will more closely mirror the real world. 2. The dimensional model makes no sense. 3. A dimensional model makes more sense according to many mental health professionals.

2