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 problem is that the dome is cracking like a great, smashed eggshell."  "What's beyond the dome?"  Ser Perth shuddered slightly. Choices:  1. The dome is at risk, and this is not good. 2. The dome looks set to stand for thousands of years, because it is so strong. 3. The dome was created thousands of years ago to keep dangerous pathogens contained.

2