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: You see, there are seven of us at home. Choices:  1. Three of us live upstairs and four of us live downstairs at home.  2. All seven of us left home many years ago.  3. Seven of us are at home. 

2