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: Just west of the fort is the former royal palace of Ras El-Tin, built for Mohammed Ali in 1834. Choices:  1. The palace of Ras El-Tin was built in the 1600s. 2. The royal palace of Ras El-Tin is a very important monument. 3. The former royal palace was built in the 19th century.

1