Anchor: One dog carries a ball as it is being chased by two more dogs.
Entailed: An animal is being chased by two animals.
Contradiction: A puppy is chasing a cat.
Contradiction: the dog was tired and sleeping.
Contradiction: Support for this sort of commitment is part of the assumption.
Contradiction: There are boys listening to the speaker.
Contradiction: Princess Alice was in seclusion for years.