Question:
Based on the premise "(Before the island's telephone service was boldly upgraded, it used to be easier to drive across the border than to put through a call to the other side. )", can we conclude that "(The island's telephone service has been the most advanced for a long time.)"?
****
Answer:
no

Question:
Based on the premise "I asked them and, of course, they were vague.", can we conclude that "I made an inquiry and wasn't given much in detail."?
****
Answer:
yes

Question:
Based on the premise "This was the site of the original Byzantium, founded in the seventh century b.c. , and of the civic centre of Constantinople, capital of the Byzantine Empire.", can we conclude that "This was the place where the original Byzantium stood."?
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Answer:
yes