Question:
Based on the premise "To understand the tremendous benefits of the President's plan, we need to understand the public health and environmental issues.", can we conclude that "President Trump's plan has no benefits at all, in fact it will bring on the downfall of the US. "?
****
Answer:
no

Question:
Based on the premise "Why should it?", can we conclude that "Is there a reason why it should?"?
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Answer:
yes

Question:
Based on the premise "The splendid old vats and winepresses are themselves worth the visit, and the guides will tell you everything you want to know about wine.", can we conclude that "The old vats and winepresses are unimpressive and no one would pay money to see them."?
****
Answer:
no