Anchor: To another, a case study examines a clearly defined site and reports on that one site, so that multiple site studies would not be case studies.
Entailed: The case study reports on only one site.
Contradiction: The case study examines a site of unknown origin and focuses on a multitude of other sites as well.
Contradiction: A female is driving a car.
Contradiction: A woman is wearing a cap.
Contradiction: Two ladies are on the beach.
Contradiction: The person is near a ball.