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: When Arabs conquered Sicily in the ninth century and turned to the mainland, Naples at first sought an alliance. Choices:  1. The Arabs conquered Sicily in the 18th century after seeking an alliance with Naples. 2. After the Arabs conquered Sicily and went to the mainland, they accepted an alliance from Naples. 3. Naples sought an alliance with the Arabs after they conquered Sicily.

1