Anchor: Has she been wearing any of the emeralds, by the way?"
Entailed: "Was she wearing emeralds?" 
Contradiction: She wasn't wearing emeralds?
Contradiction: Two dogs are sitting on the beach.
Contradiction: A man is outside smoking a cigarette.
Contradiction: I am not worried about my child's teacher being on drugs; how many elementary school teachers could be on drugs really?
Contradiction: The man and child are outside.