Anchor: Young man on a surfboard rides a rough wave.
Entailed: A young man surfing.
Contradiction: A young woman competing in a diving competition.
Contradiction: Rain is pouring on the kids in the backyard pool.
Contradiction: The man is inside.
Contradiction: A dog frolics in the sand.
Contradiction: The current acquisition policy of the DOD states that the system demonstration phase begins after prototypes have been built and demonstrated.