Text: The blue-plate specials typically offered as American cuisine--hamburgers, pizza, fried chicken, baked beans, hot dogs--aren't worth considering, Mintz says, despite such irrepressible enthusiasts as Edna Lewis and Betty Fussell.
Entailment: Mintz says the American cuisine specials aren't really worth trying.
Contradiction: The purple-plate specials typically include American food like pizza or fried chicken.