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: These silent killers frightened Ca'daan most of all. Choices:  1. Ca'daan was scared of the silent killers. 2. Ca'daan was scared of being killed. 3. Ca'daan wasn't afraid of anything.

3