Definition: In this task, you're given a statement and three sentences as choices. Your job is to determine which sentence can be inferred from the statement. Incorrect choices change the meaning in important ways or have details that are not mentioned in the statement. Indicate your answer as 1,2, or 3 corresponding to the choice number of the selected sentence.
Input: Statement: As a practical matter, mailers are believed in many cases to be able to do this work for a fraction of the cost the postal service would face. Choices:  1. Mailers generally tend to be cheaper because they are women. 2. The postal service generally costs less than mailers. 3. Mailers are believed to be cheaper than the postal service.

3