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: The exercise in table 2.1 describes a job we might be asked to do and a design for it and asks you to decide whether or not this is a case study. Choices:  1. Table 2 shows a job we might have to do to protect our systems and how we can do it. 2. Table 2 shows a job we might have to do and how we can do it. 3. Table 26 shows a job we might have to do and how we can do it.

3