Anchor: Gentlemen, do something.
Entailed: Gentlemen, please contribute something. 
Contradiction: Gentlemen, do nothing. 
Contradiction: It seems that the richer the situation and the brighter the outlook, the more crime is likely to be committed.
Contradiction: Is it five years or ten years when they change from two weeks to three weeks?
Contradiction: There has never been research showing that nicotine is addictive. 
Contradiction: Doing a masters in English in the evenings is very difficult.