Anchor: A BMX motorcyclist dressed in protective gear and helmet, attempting a jump on a sandy dune.
Entailed: A BMX biker is riding on a dune.
Contradiction: A BMX motorcyclist is racing down a city street.
Contradiction: He is an inefficient ethnic dirtier. 
Contradiction: She was confused.
Contradiction: He folded his hands in front of his chest.
Contradiction: The runners are starting.