Anchor: A brown and black dog is trying to catch a red ball in its mouth.
Entailed: A dog tries to catch a ball.
Contradiction: A dog takes a nap at the park.
Contradiction: I could not get through half of Flatliners because it was boring.
Contradiction: A man in front of a crowd.
Contradiction: That janitor's closet never get used.
Contradiction: People gathered around the oxford circus station