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: As we will discuss later, several methods can be used in one job; these examples are only intended to highlight what is not, and what is, a case study. Choices:  1. Several methods can be used in one job, and these examples are supposed to highlight what is and isn't a case study. 2. We're attempting to show you what is and isn't a case study so you don't manage to mess up a case study in a job in the future, as several methods can be used in one job, but we do have faith that you won't do such a thing. 3. There is really only one viable method that can be used in a job, and these examples are meant to show you what is a case study. 

3