Anchor: a meeting room full of happy faced people.
Entailed: the people are all smiling
Contradiction: the people are outside and crying because they are sad.
Contradiction: The boys stood in the crowd.
Contradiction: Of the two woman in chemistry classroom one pours solution into beaker
Contradiction: They were not enjoying themselves due to no erotic opportunities emerging.
Contradiction: The salamander in Dave's chest seemed to cry out when it heard the monster outside the door.