Anchor: A person riding a dirt bike dangerously close to a cliff in a forest.
Entailed: A person riding a dirt bike.
Contradiction: A man riding a mountain bike in the forest.
Contradiction: I watched it from the start.
Contradiction: They are so messy when they are little and that disturbs me.
Contradiction: The white dog is inside the house.
Contradiction: He is a fireman and she is a teacher.