Anchor: A dog has its head inside a red and green gift bag.
Entailed: The dog's head is inside a bag.
Contradiction: The dog has its head in a brown cardboard box.
Contradiction: Two people hop aboard a cruise ship set for the Bahamas.
Contradiction: That is correct.
Contradiction: We are a lot more expensive than the postal service.
Contradiction: The woman and the boy are enjoying a sunny day.