Anchor: Postal Service may legally deliver only periodicals, catalogues over 24 pages, parcels, and unaddressed letters.
Entailed: the Postal Service is only legally allowed to deliver a few things.
Contradiction: The Postal Service can legally deliver anything they want.
Contradiction: A man is riding a bike.
Contradiction: People are waiting for the train.
Contradiction: On my drive to work one morning, I had to apply the brakes sometimes.
Contradiction: The statement is emphasized.