Anchor: The man is skillfully surfing a violent wave in the blue ocean.
Entailed: some guy surfs a big wave and isn't bad at it
Contradiction: two boys play in an intertube
Contradiction: Man laying out on the beach.
Contradiction: people perform
Contradiction: The two women are walking down the lane, hand-in-hand, on their way to the grocery store.
Contradiction: Well, I think we are a bit far from Dallas.