You will be given a definition of a task first, then some input of the task.
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.

Statement: What would be evaluated-the usefulness of a screen or the psychometric properties of a screen? Choices: 1. Between the benefits of a screen or its psychometric properties, what would be looked into? 2. Would the usefulness of a screen be evaluated first? 3. The usefulness of a screen is not going to be evaluated?
Output:
3