Anchor: What a net he has drawn around my poor John! 
Entailed: There was a great net drawn around John.
Contradiction: John was free to go.
Contradiction: I don't care about this at all.
Contradiction: The problematic behavior under discussion is related to coworkers demanding sex, or expecting women to serve tea or clean the workplace. 
Contradiction: I did not buy anything. 
Contradiction: A dog catches a frisbee in its mouth.