Anchor: A man holds a sign in front of a group of people on a cloudy day.
Entailed: The person holding the sign is a man.
Contradiction: The man is in front of a single person on a sunny day.
Contradiction: The two friends are watching television.
Contradiction: It may not be socially optimal to maximize consumption if people value the now more than the later.
Contradiction: There was all the time in the world for questions.
Contradiction: Grafitti is shown along the flight of stairs.