Anchor: German Shepherd jumping through black hoop while people watch
Entailed: A dog jumping through black hoop while people watch
Contradiction: Bob is jumping through black hoop while people watch
Contradiction: A man is at the movies watching a film.
Contradiction: It was ready to go when I traded it in; I got it right after high school. 
Contradiction: The Sunfish is not available to rent, but several other small boats are.
Contradiction: A man plays an instrument.