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: and uh yeah you know i mean it's not uh i don't think Dallas is considered uh a a real bad place for for air pollution but you you can tell you can tell the differences in the days when it's when the haze is kind of yellowish gray instead of just being a a foggy misty color Choices:  1. Dallas's air can take on a yellowish gray color due to pollution. 2. Pollution levels have decreased in the last decade. 3. Dallas has exceptionally clean air.

3