Anchor: a dune buggy racer in the desert.
Entailed: A racer in the desert
Contradiction: The racecar is at Talladega
Contradiction: He used any yogurt that he had on hand to do his experiments.
Contradiction: The biker was in the air and placed his left arm on the seat.
Contradiction: Grasmere is one of the least busy villages on the Lakes. 
Contradiction: She's interested in mariticide.