Question:
Based on the premise "Krens, a motorcycle enthusiast and the owner of two BMWs, contributes an utterly unpersuasive introduction to the catalog, in which he breezily declares that the distinction between the unique work of art and the mechanically produced object is now irrelevant.", can we conclude that "Krens is known for being better with his hands than more arcane academic discussions on these subjects."?
****
Answer:
it is not possible to tell

Question:
Based on the premise "Even in summer, you should keep a sweater and sunglasses with you ' for sudden changes in temperature and for the brilliant sunlight.", can we conclude that "On summer days, you need to wear only t-shirts because the weather is the same the whole day."?
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Answer:
no

Question:
Based on the premise "Sensitivity analyses reveal that variations in these assumptions generally would not affect the relative outcomes of alternative policies.", can we conclude that "The sensitivity analysis was performed twice."?
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Answer:
it is not possible to tell