Anchor: Three people walking up stairs near boat marina.
Entailed: Some people go up stairs.
Contradiction: A person sits in a chair.
Contradiction: The town was never restored following the bomb damage it took in World War II.
Contradiction: I regretted what I said.
Contradiction: It is very helpful to be timid when driving in Paris in rush hour. 
Contradiction: A football/soccer club during warm ups.