Anchor: Promised him some time back he could have a bait o' oats oats an' salt, an' jus' a smidgen o' corn cake.
Entailed: Food can be made using oats and corn.
Contradiction: Food can be made using oats and cork.
Contradiction: A group of people stand together in a bathtub.
Contradiction: With a dry grin, he said, "your pretty sure of that, aren't you" 
Contradiction: The backpack is black.
Contradiction: David Ricardo was a 19th century economist.