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: 3/ First-Class Mail sent by non-households to households (e.g. Choices:  1. Households never receive first-class mail from non-households. 2. All first-class mail is sent by non-households. 3. Non-households can send first-class mail to households.

1