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: The journey usually takes three hours, even longer when short stretches of the river dry up, forcing passengers to walk along the riverbank while the boatmen push the launch through the shallows. Choices:  1. The travel time can be longer than three hours depending on conditions. 2. The journey is arduous 3. The river never dries up

3