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: and uh so i became quite accustomed to uh to a rationalized system and and used to making all the necessary conversions Choices:  1. I became used to a rationalized system, and had no trouble with conversions. 2. I think it is easy to learn the rationalized system. 3. I am still not used to making all the necessary conversions.

3