Anchor: That golden head with its tossing crown of black forelock; it was slipping back!
Entailed: That golden head with a black forelock was sliding back!
Contradiction: That golden head was moving farther and farther away. 
Contradiction: I was way ahead of schedule.
Contradiction: the man is outdoors
Contradiction: Five muzzled cats are running in a grassy field.
Contradiction: A human skateboarding.