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: The NCLAN results show that several economically important crop species are sensitive to ozone levels typical of those found in the U.S. (US EPA, 1996). Choices:  1. Results from the NCLAN showed no correlation between the crops and ozone levels. 2. The NCLAN results show many crop species are sensitive to ozone levels. 3. The more economically dependent the crops are, the more sensitive to ozone they are, the results seemed to show.

1