Question:
Based on the premise "Not only did his home town not finance his crazy trip to America, but Genoa still has no decent monument to Christopher Columbus.", can we conclude that "Genoa does not claim to be affiliated with Christopher Columbus at all."?
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Answer:
it is not possible to tell

Question:
Based on the premise "Where parcels of stewardship land have more than one use, the predominant use of the land is considered the major use.", can we conclude that "The major use is the activity that is done most on the land."?
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Answer:
yes

Question:
Based on the premise "Thus, labor costs do not need to be adjusted.", can we conclude that "It's not a good idea to adjust labor costs without proper reasons."?
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Answer:
it is not possible to tell