Anchor: A person wearing a black shirt is getting a piggyback ride from a person wearing a black t-shirt walkng on a paved path in the woods.
Entailed: A person wearing a black shirt
Contradiction: A person not wearing a black shirt
Contradiction: The man is on his couch.
Contradiction: The kids are playing in the ground
Contradiction: The group of people are stuck in the middle of the desert.
Contradiction: A dog is at a dog show.