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 same test used to screen a population with low case rates (pregnant clinic patients, 7%)6 does not perform as well. Choices:  1. When using the same test to screen communities with lower case rates, the test works good if not better.  2. When the same test was used to screen a population of low-income families in Orlando, it was found to not be as effective.  3. When using the test on a population that has a lower case rate, it does not do as good of a job. 

1