Anchor: A young man in a green shirt is making a purchase at a store.
Entailed: A young man is buying something at the store and wearing a green shirt.
Contradiction: A little boy is putting marbles in his pocket.
Contradiction: The likelihood of an article being fake is supposedly at an inverse correlation to how low a price you can get on it. 
Contradiction: A dog is jumping.
Contradiction: two people walking in the park
Contradiction: There is a young boy sleeping on his floor.