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: Some of their houses in the side streets are from the 12th century. Choices:  1. Some of the houses are from the 12th century. 2. Every single house built in the side streets are from 18th century. 3. The houses built upon the side streets are mostly of granite.

2