Anchor: This requires the mailer to have an address list kept in delivery sequence and to have address labels for each piece.
Entailed: The mailer needs to have address labels for every piece. 
Contradiction: The mailer is required to carry a penguin on its back at all times. 
Contradiction: The play that is performed is the same regardless of the audience demographic
Contradiction: There are people in an airport.
Contradiction: The man is throwing fruit into the street.
Contradiction: A tour of a garden.