Anchor: Smoke has filled the air and the buildings preventing the firefighter from entering the building.
Entailed: There is a person who cannot enter the building because there is too much smoke.
Contradiction: The firefighter is at the station taking a nap.
Contradiction: A man is bald.
Contradiction: People come around a curved road on bicycles.
Contradiction: there wasn't a petting farm
Contradiction: the man is resting on a bench