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: He no longer has to answer for the erratic Robertson. Choices:  1. He must continue to answer for all of Robertson's actions. 2. Robertson's unpredictable behavior won't affect him any more.  3. Robertson was recently fired after a terrible tragedy.

1