Anchor: The position is much as though they had got hold of an incriminating document, but couldn't read it because it was in cipher but we know that the draft treaty wasn't in cipher couldn't be in the nature of things so that won't wash.
Entailed: The incriminating document was written in cipher and couldn't be read. 
Contradiction: Draft treaties are always written in cipher so that they are impossible to read. 
Contradiction: Two dogs are laying on a sidewalk.
Contradiction: The town square had people in it.
Contradiction: Cheerleaders stand in a pyramid.
Contradiction: A toddler girl with a hairdo plays with camera equipment.