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: Microsoft is monitoring selected families for weeks to learn their hardware habits. Choices:  1. Selected families are monitored for two hours. 2. Some families are under Microsoft's observations. 3. Microsoft is paying these families for their willingness to be monitored.

1