Anchor: A bare chested man riding a surfboard on a wave in an ocean.
Entailed: A man is surfing.
Contradiction: A man is preparing dinner on a surfboard.
Contradiction: The two girls were running.
Contradiction: A man on a boat that is standing and paddling on a river
Contradiction: The people are out shopping on Rodeo Dr.
Contradiction: The wage is $15 an hour for fieldwork during the growing season.