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: They are fixed stars, which means they move with the sky. Choices:  1. The fixed stars constantly move all over the sky. 2. The fixed stars are supposed to move with the sky. 3. The fixed stars are all bright green while the other stars are white.

1