Text: In 1566, they wrested Chios from the Genoese, bolstering their hold on the eastern Aegean Islands, but the Cyclades remained in Venetian hands for another generation or more Tinos was the last to fall in 1715.
Entailment: Cyclades remained in Venetian hands until at least 1715.
Contradiction: They had conquered the Aegean Islands by 1566.