Text: Almost every hill has to the northeast there's a Moorish fort; no fewer than four ruined fortresses guard the harbour entrance; and two more, still in good repair the Atalaya and Galeras castles protect the sea-front arsenal, of vital importance to Spain's military.
Entailment: There are castles Atalaya and Galeras.
Contradiction: There are no castles Atalaya and Galeras.