Anchor: How was I to know?"
Entailed: How was I supposed to know?
Contradiction: How was I going to shovel the snow?
Contradiction: John had had enough of her freeloading in his home and wanted her out. 
Contradiction: Wolf's role was a very well-guarded secret.
Contradiction: The staircases are made from recycled hockey pucks.
Contradiction: John is talking to Hastings.