Anchor: She will never marry a man so old and ugly like you.
Entailed: I think she will not marry you or anyone comparable to you in terms of age and ugliness.
Contradiction: I think she will marry you because you are old and ugly.
Contradiction: A girl is wearing pink and riding a bicycle.
Contradiction: a person is on a surfboard.
Contradiction: The person is about to jump into the cool, blue lake.
Contradiction: Then you might make a positive out of a negative.