Anchor: well yeah but i'd rather have a sunny weekend than a gray weekend so
Entailed: I'd rather have sunshine over the weekend than an overcast weekend.
Contradiction: I prefer overcast weekends to sunny weekends.
Contradiction: They were not able to make any changes.
Contradiction: The recipient only has his mail delayed for a day 
Contradiction: The arts were suppressed during the Cretan Renaissance.
Contradiction: I'm gonna start going every night even if it is only for half an hour.