Anchor: A wetsuit-clad surfer jumps a wave.
Entailed: A surfer is in the water.
Contradiction: A diver is snorkeling.
Contradiction: Schwinn makes no attempt to take action which will better the experiance for the consumer.
Contradiction: It seemed like one of his eyebrows was raised permanently. 
Contradiction: Two women are working out on a rock.
Contradiction: Here, keep this with you until we meet tonight.