Given the task definition and input, reply with output. 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.

Statement: Dave was obviously one of the building slaves. Choices: 1. Dave was obviously a slave because he wore a shirt with a slave name tag. 2. Dave obviously ran the entirely building and controlled all the slaves. 3. The building had slaves, of which Dave was obviously one.
2