Anchor: A person in purple shorts riding a bike up a mountain.
Entailed: The person was riding a bike.
Contradiction: The man hiked naked by the ocean.
Contradiction: A woman cooks rabbit over the campfire.
Contradiction: The bike is outside.
Contradiction: The small cult is worshiping Satan.
Contradiction: It would be a difficult thing to study in a twenty or thirty-year period of time.