Anchor: A person wearing a green sweatshirt is walking on a ledge of a building.
Entailed: A person is walking on the ledge of a building.
Contradiction: A dog is wearing a green shirt.
Contradiction: A couple waits for the city bus that will take them home.
Contradiction: There is a book with a bird in it.
Contradiction: A concert on a rooftop.
Contradiction: Two bikers are wearing backpacks.