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: It is expected that one FGD system requires about 27 months of total effort for planning, engineering, installation and startup. Choices:  1. There are no expectations for how long it will take to set up the system. 2. One system takes about 27 months of planning to get going. 3. It can take more than 27 months to get the systems going.

1