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: yeah and and that's appropriate if the university is trying to do serious research because it's hard to be a researcher and a teacher at the same time Choices:  1. It's not appropriate if the university is trying to do serious research. 2. It's only appropriate if the university is trying to do serious research but many do it regardless. 3. It's only appropriate if the university is trying to do serious research.

1