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: In such instances, the Service's request must be supported by testimony of a Postal Service witness that explains the rationale for the proposed multi-year test period. Choices:  1. A Service's request must always be supported by a Postal Service witness. 2. There is never any need to explain the rationale for the proposed multi-year test period 3. The Service's request must be supported by the testimony of a Postal Service witness.

2