Anchor: A man in a red sleeveless shirt rides a horse.
Entailed: There is a man mounted on a horse.
Contradiction: A man in a red sleeveless shirt working in the garden.
Contradiction: The man is naked.
Contradiction: A man in a red sleeveless shirt is lying on the couch watching television.
Contradiction: The man is feeding the horse.
Contradiction: The man is riding an elephant.