Anchor: A collie catches a white Frisbee at an obedience competition.
Entailed: Some one is playing Frisbee with there dog in the park.
Contradiction: The collie is eating food out of a blue bowl.
Contradiction: The man in the sweatshirt is inside the building.
Contradiction: someone is outside
Contradiction: He did not suggest that involving opinion leaders in the field of emergency medicine.
Contradiction: Three guys are shoveling sand