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: Self-administered questionnaires, computer screen interactions, or interview techniques may be easier to implement. Choices:  1. It might be easier to implement a computer screen interaction. 2. Implementing self-administered questionnaires would be much more difficult. 3. The interview techniques would be most effective, but cost more money.

2