Anchor: A man rides a bike through a course.
Entailed: Someone is taking their bike for a ride.
Contradiction: A man is walking through the woods.
Contradiction: A boy is holding a torch and pitchfork.
Contradiction: Richardson is the one who wants understanding and Gopnik is the one braying for outrage. 
Contradiction: The boy is swimming in the lake.
Contradiction: The family is walking