Anchor: We all knew the rules, so no one needed an OPEN sign.
Entailed: No one needed an OPEN sign, since we all knew the rules.
Contradiction: Nobody knew the rules, so we needed an OPEN and CLOSED sign.
Contradiction: A blonde-haired man with sun glasses, wearing a white shirt works on a black sculpture.
Contradiction: the street has lots of large buildings
Contradiction: A puppy is asleep.
Contradiction: The women took pictures.