Anchor: a skateboarder ollies off a ramp.
Entailed: A skateboarder is doing a skateboard trick.
Contradiction: A skateboarder is carrying a skateboard away from a ramp.
Contradiction: Flamenco has no guitars, just trumpets, and is very upbeat and happy.
Contradiction: A dog is sitting on the sand.
Contradiction: People run away from a very large wave.
Contradiction: man in shorts