Anchor: A centralized, all-powerful state didn't please all Cubans.
Entailed: Not all Cubans were pleased by a centralized, all-powerful state. 
Contradiction: Most, if not all, Cubans were pleased by the notion of a centralized, all-powerful state.
Contradiction: Attorneys are often given the task of handling criminal cases.
Contradiction: The man in the chair held the boy.
Contradiction: A group of men skate around an ice rink.
Contradiction: What happened in the past is over, they think.