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: There are, however, regular small-plane flights to both islands and daily service by large rapid catamarans. Choices:  1. Small plane flights between islands is a regularity. 2. The small planes are mostly single engine Cessnas designed for four passengers. 3. There are no known ways of passage between the islands.

3