Anchor: Isn't it possible that, as Inglethorp brought him through the hall, the doctor dropped something into the coffee in passing?"
Entailed: It might be that the doctor dropped something in the coffee.
Contradiction: There is no chance the doctor did it.
Contradiction: The Your Jerusalem newspaper comes out every week.
Contradiction: The woman runs after the tennis ball
Contradiction: These procedures have no impact on customers.
Contradiction: Masterpiece theater was one of my favorites.