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: However, it has tacitly encouraged the rebels, in the belief that Mobutu's patronage of guerrilla forces in the region is destabilizing. Choices:  1. The rebels were encouraged by the belief that Mobutu's use of guerilla forces in the region isn't stable.  2. It encouraged the rebels to know that Mobutu has started to stop using guerilla forces.  3. The rebels were discouraged by the destabalization of the use of guerilla forces. 

3