Anchor: I have a good friend of the opposite sex who I've known for three years.
Entailed: I have a friend of the opposite sex I've known for a few years.
Contradiction: I do not have any friends of the opposite sex.
Contradiction: A man is in a green car.
Contradiction: Kenzo also did copypastes and attended meetings.
Contradiction: the cart is locked in the basement
Contradiction: woman looks at picture