Anchor: A person in a kayak is going over a small waterfall.
Entailed: A person riding the rapids.
Contradiction: A dog eats a chicken.
Contradiction: Bork's face was cheerful and not very dignified.
Contradiction: There is a group of people tying down things onto the bus.
Contradiction: From here one can catch trains to the north of Spain, but not to the south.
Contradiction: It had the workings of an idiocy.