Anchor: The brown dog is being chased by a black dog while holding a small toy in his mouth.
Entailed: The dogs are playing tag.
Contradiction: They are asleep on the sofa.
Contradiction: It's no fun to watch sumo, so don't do it.
Contradiction: A person is digging a hole while two children watch.
Contradiction: Ford chose Rockefeller as his running mate.
Contradiction: The guy is singing.