Anchor: But the room was dark now.
Entailed: The room was once light, but now is dark.
Contradiction: The room was now a bright pink and filled with light.
Contradiction: I hated what the person had done.
Contradiction: The child is on a ride.
Contradiction: The man is walking in a restaurant.
Contradiction: Although it doesn't match geometrically with its competitors, it has a subtle unification.