Anchor: Border collie jumps in the air and catches a tennis ball.
Entailed: A dog has been trained to do a trick.
Contradiction: the cat ate a fish in the park
Contradiction: the man runs through a building
Contradiction: A collie is lying down with a tennis ball in its mouth.
Contradiction: A dog chases a squirrel up a tree while an owner watches.
Contradiction: A dog did not catch the ball.