Anchor: Men, surrounded by nature, are riding mountain bikes.
Entailed: Men ride bikes.
Contradiction: The men are wearing suits and sitting in an office meeting.
Contradiction: A few married couples and their children are eating while riding their mountain bikes down a steep hill.
Contradiction: The blond man jumps off of the stairs on the skateboard.
Contradiction: Women ride bikes on the beach.
Contradiction: Mountain bikes have become sentient and are riding men.