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 former medieval palace clings to a 16th-century tranquillity. Choices:  1. The medieval palace is decorated beautifully and remains historically accurate.  2. They demolished the once medieval palace because it was left for ruins.  3. The 16th-century mansion keeps its serene atmosphere. 

2