Anchor: A man with a cowboy hat is riding a horse that is jumping.
Entailed: The man is on a horse.
Contradiction: The man is sitting on the grass.
Contradiction: People need to worry about themselves, and not worry about being on the transplant list. 
Contradiction: Femles are putting on cosmetics.
Contradiction: The woman has a red bag.
Contradiction: People gathered in the city at night.