Anchor: A girl taking a picture of a crocodile coming up towards her on a boat.
Entailed: a person snapping a pic of an animal
Contradiction: a girl takes a picture of an alligator
Contradiction: Nothing was found during the excavations.
Contradiction: I know I'd know. 
Contradiction: This recipe is very easy, don't you agree?
Contradiction: I am quite sure he misunderstood what you meant.