Question:
Based on the premise "Whatever really happened, the Mycenaean Greeks who were supposed to have conquered King Priam's city soon found their own civilization in decline.", can we conclude that "The Mycenaean Greeks were supposed to have conquered King Priam's city, but whatever really happened, soon found their own civilization in decline."?
****
Answer:
yes

Question:
Based on the premise "Caution was the watchword among Italian rulers restored to their lands after Napoleon's defeat.", can we conclude that "The Italians trusted some people while restoring their land."?
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Answer:
it is not possible to tell

Question:
Based on the premise "The constant clash between modern and traditional values leads to the numerous fascinating contradictions you will encounter in Japan.", can we conclude that "Few countries on earth exemplify the constant clash between modern and traditional values better than Japan do."?
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Answer:
it is not possible to tell