Anchor: a mommy duck walking along some rocks with a group of baby ducks.
Entailed: A mommy duck walking along some rocks.
Contradiction: A daddy duck walking along some rocks.
Contradiction: Guns don't kill people. Knives do!
Contradiction: The person in green scrubs empties a trashcan at a shopping mall.
Contradiction: The Caribbean has no fish in it.
Contradiction: A pretty girl is eating a waffle cone.