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: Boston University, for example, forced its three Nobel Prize winners to teach undergraduates. Choices:  1. There have been over ten Nobel Prize winners from Boston. 2. There have never been any Nobel Prize winners from Boston. 3. There were multiple Nobel Prize winners from Boston.

2