Anchor: Then it was you, Mary, who destroyed the will? She shook her head, and Poirot shook his also. 
Entailed: So you destroyed the will, Mary? She denied it.
Contradiction: Then you are the one who forged the will, Mary?
Contradiction:  Karen Carpenter is alive. 
Contradiction: The women is a salesperson.
Contradiction: Everybody is carrying on their own conversation.
Contradiction: There is an element of meekness in Nora.