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: Long enough for a gentleman who had once studied medicine to gratify a very natural interest and curiosity. Our eyes met.  Choices:  1. He was a hobo who never went to school in his life. 2. A gentleman who in the past has educated himself in medicinal practices. 3. He was a genius in his class and got all As.

1