Anchor: A surfer jumps a wave.
Entailed: The surfer is in the water.
Contradiction: The surfer is a living dead zombie.
Contradiction: I was speaking about the same person.
Contradiction: Some people are talking.
Contradiction: When the customer's requirements are clearly defined and resources-proven technology exists to satisfy them, doesn't occur the first knowledge point.
Contradiction: Schools of law need to specifically convey the debt burdens that students will assume.