Anchor: You are not aware of what has happened?
Entailed: The person asked the other one if they were aware of what has happened.
Contradiction: The man asked the other woman if she was feeling well.
Contradiction: The men are playing checkers outside.
Contradiction: A woman is walking outside an edifice.
Contradiction: Lawrence Tribe is a pro-impeachment scholar.
Contradiction: Two boys are exerting energy to move across the ice.