Anchor: A snowboarder performs a grab trick in the air.
Entailed: A snowboarder performs tricks in the air.
Contradiction: A surfer rides a huge wave.
Contradiction: A man is surfing.
Contradiction: Interracial marriage is still not common in this society.
Contradiction: Janet never had anything to do with Bill.
Contradiction: The Russian was morose as she became the topic of conversation.