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: Certainly not, said Tuppence with warmth. Choices:  1. Tuppence knew it was not true. 2. Tuppence spoke warmly. 3. Tuppence denied it coldly.

3