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: from uh English units or nonstandard units into this uh rationalized M K F system Choices:  1. English units to metric system. 2. English units are nonstandard. 3. M K F system is not rational

3