Anchor: and and they're trying to think of what's a Troy ounce
Entailed: They don't know what a Troy ounce is.
Contradiction: They have a good idea what a Troy ounce is.
Contradiction: the monkey ate the bird
Contradiction: A man on a bus.
Contradiction: Depletable and renewable resources are not excluded from the definition of land.
Contradiction: Four People are present.