Anchor: A wakeboarder is leaping into the air whilst holding onto a yellow rope.
Entailed: The wakeboarder is holding onto a rope.
Contradiction: The wakeboarder is hanging on to a pink rope.
Contradiction: I know very well what you're referring to.
Contradiction: Two guys of different color are making music
Contradiction: You are absolutely wrong about that. 
Contradiction: I bet not even Dad could get into the thing.