Anchor: A referee presides over a female roller derby game.
Entailed: There is a referee at the roller derby game.
Contradiction: There is a man in all pink at the derby game.
Contradiction: The dog is swimming in the ocean.
Contradiction: Freshly caught fish and frozen imported fish are equally likely to be offered by fishmongers.
Contradiction: That is my father's time of arrival. 
Contradiction: They are able to have meals prepped for them while maintaining some level of independence.