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: that raises questions about how thoroughly evolution explains everything, argues Bill Kristol. Choices:  1. Evolution has been thoroughly examined and explained.  2. Evolution has questions that need to be answered.  3. It raises questions on the validity of evolution. 

1