Anchor: For convenience I append a plan of the room and the principal articles of furniture in it. 
Entailed: I append a plan of the room and the main articles of furniture in it, for convenience. 
Contradiction: Due to unforseen issues, there is no plan for the room, nor the furniture within. 
Contradiction: The man is holding a sword.
Contradiction: There is a woman in a store.
Contradiction: Young girls sitting on a couch looking pretty.
Contradiction: I've been seeing it more often over the course of the  last half year.