Anchor: People are rollerskating in a roller rink.
Entailed: People are wearing rollerskates.
Contradiction: Men are shooting their guns.
Contradiction: The woman cries as she puts the "out of business" sign on the front door of her shop.
Contradiction: a bird was on rocks
Contradiction: She was her own woman.
Contradiction: Another limitation of the study is that only half of the people follow-up after a year.