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: Although the Taliban operates autonomously, its advance would not have been possible without foreign backing. Choices:  1. Foreign support for the Taliban came mostly from the US and the UK. 2. The Taliban would not have made progress without foreign support. 3. The Taliban advanced independently without any outside support.

3