Question:
Based on the premise "The nature of the hypothesized relationship is that there might exist a PM concentration level below which further reductions no longer yield premature mortality reduction benefits.", can we conclude that "The PM concentration level might be reduced without lowering mortality rates in infants."?
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Answer:
it is not possible to tell

Question:
Based on the premise "There, Poirot, you are quite wrong! ", can we conclude that "Look, he has proved that you are wrong Poirot."?
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Answer:
it is not possible to tell

Question:
Based on the premise "synthetic seawater spiked with KCl.", can we conclude that "ocean water has KCI in it."?
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Answer:
yes