Anchor: He stared doubtfully at the rods and bearings that supported the model world in the center of the orrery.
Entailed: The model world was supported by metal rods and bearings.
Contradiction: He stared with certainty at the metal rods supporting the model world.
Contradiction: A Christian family is opening Christmas presents.
Contradiction: Her answers will be shown to the Arkansas Whitewater jury.
Contradiction: Have you ever seen this person?
Contradiction: The road is wet and slippery.