Anchor: 3) We'd better move fast before African hunters and meat merchants finish slaughtering the chimps in question.
Entailed: Let's hurry up before fhey kill all the chimps. 
Contradiction: No use hurrying up, all the chimps are dead. 
Contradiction: Cuba was visited by 500 trading ships annually.
Contradiction: Some people are boxing.
Contradiction: A skateboarder is at mcdonalds.
Contradiction: Vision of the Blessed Alonso Rodriguez is an example of the artist's signature style.