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: But I'm afraid we shan't require his services." Choices:  1. I'm afraid we won't need his services.  2. We may need his services next week.  3. We need his services immediately. 

3