Question:
Based on the premise "Another 10 km (6 miles) to the south lies the natural wonder of the Costa Calida, the Mar Menor, a salt water lagoon separated from the Mediterranean by two strips of land known collectively as La Manga.", can we conclude that "Costa Calida is a natural wonder."?
****
Answer:
yes

Question:
Based on the premise "Yes, and that's what gives me hope.", can we conclude that "That fills me with despair."?
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Answer:
no

Question:
Based on the premise "The nuns in the convent here preserve their seclusion; visitors must have special permission to enter.", can we conclude that "The convent's nuns maintain their isolation; special permission must be obtained by those who wish to come inside. "?
****
Answer:
yes