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: 'Because I can assure you I am very much smarter than you. Choices:  1. I think you are mentally retarded. 2. I am confident about my superiority in intelligence. 3. You are definitely smarter than me.

3