Anchor: Bullrider at a rodeo riding a bull.
Entailed: Person at a rodeo riding a bull.
Contradiction: Bullrider at a rodeo riding a cat.
Contradiction: He was a retired general as well as a drummer.
Contradiction: Three people playing football.
Contradiction: I have children, so I do not want to have a Mazda MPV.
Contradiction: People are walking up some stairs.