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: After two years of data collection, or a minimum of 20 data points, the control chart should be maintained using only the 20 most recent data points. Choices:  1. The control chart will be maintained with 5 years of data collection and a minimum 50 data points 2. The control chart should be maintained using two years of data collection and the 20 most recent data points. 3. By using the most recent 20 data points, the control chart will be accurate and maintained.

1