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: Friendship between alien intelligences is an imponderable. Choices:  1. It's hard to imagine alien races being buddies. 2. It is easy to see how they all could get along. 3. There are many different kinds of aliens.

2