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: Multiple systems normally are installed in sequence and overlapping to maintain a high level of activity at the site. Choices:  1. Multiple systems are installed together and overlapping to maintain a high level of activity 2. The high level activity on multiple systems is strenuous.  3. Multiple systems cannot be installed to overlap

3