Anchor: A muddy person rides his bike through a course.
Entailed: A person is covered in dirt.
Contradiction: A person in a shiny white suit jumps a motorcycle over 20 cars.
Contradiction: The man is inside.
Contradiction: The dog is calm in water.
Contradiction: I tossed the book aside and never thought about it again.
Contradiction: You may learn to sail in the Algarve.