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: We also don't know how life originates and to what extent it evolves in an orderly pattern. Choices:  1. The group of scientists weren't sure about how life originates so they conducted an experiment.  2. We're also not certain about the origination of life.  3. We are certain when it comes to the topic of the origins of life. 

3