Anchor: Some mailers, however, will convert flats into letters.
Entailed: Some mailers are for flats.
Contradiction: Flats cannot be converted.
Contradiction: A person is talking on the phone.
Contradiction: A man is outside a pizza joint with boxes
Contradiction: He was sure that all of his needs would be catered to in the laboratory.
Contradiction: All electronic submissions must also be put through on paper.