Anchor: Ellison was not, by any means, the first black writer to explore these issues.
Entailed: Black writers had explored these issues before Ellison.
Contradiction: Ellison was exploring groundbreaking concepts no black writer had ever touched before.
Contradiction: a guy plays hop scotch in prison
Contradiction: People riding bicycles outside.
Contradiction: The selection is predetermined from a single source design.
Contradiction: In the mid 90s to 2000, there was a fall in the price index for nonresidential investment goods of 0.9 percent (on average) per year.