Anchor: A group of people on a crowded bus.
Entailed: The bus is crowded.
Contradiction: The people are walking to work.
Contradiction: A snowboarder races down the mountain.
Contradiction: The Japanese surrender left a strong army in place. 
Contradiction: James Wood is not optimistic about his new project.
Contradiction: It is uninteresting and one-sided hedonism which fails to account for this.