Anchor: Cuba remained a colony of Spain, but the war contributed to the abolition of slavery on the island in 1886 and planted the seeds of a national consciousness.
Entailed: Cuba is a colony of Spain.
Contradiction: Cuba is not a colony of Spain.
Contradiction: Don't look at the diamonds. 
Contradiction: Sports and entertainment media are the sources of American cultural influences.
Contradiction: The women are wearing only black gowns.
Contradiction: Could it be something else?