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: By his middle 20s, he knew that he suffered from tuberculosis, and he coughed blood increasingly as the years went on. Choices:  1. He knew that he suffered from tuberculosis. 2. He had a history of tuberculosis in his family. 3. He had no idea that he had tuberculosis.

3