Anchor: Then he went across to his mother whilst I unbolted the door that gave on the corridor. 
Entailed: He went to his mother as I unbolted the door. 
Contradiction: I bolted the door. 
Contradiction: Slate is not affected by the reality of ownership, we think.
Contradiction: It's hard for them to keep his attention.
Contradiction: The men are all in the BMW.
Contradiction: People are standing under the plane.