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: 16 Benchmarking is a critical part of an effective improvement program because it helps an organization identify outstanding levels of performance that have actually been achieved. Choices:  1. Benchmarking is a critical part of an effective improvement program  2. Benchmarking is a webapplication used by companies 3. Benchmarking is a very useless part of an effective improvement program 

3