Anchor: A police officer is riding his horse down a city street during the day.
Entailed: The police officer is riding a horse.
Contradiction: The police officer is brushing his horse in the stall.
Contradiction: A boy is in the water of the ocean with shoes on.
Contradiction: I've seen Boris Something since.
Contradiction: I am eager to tell you something, and I know exactly how to do it.
Contradiction: There are people walking in the rain.