Question:
Based on the premise "For example, suppose a study estimates that the average WTP for a reduction in mortality risk of 1/100,000 is $50, but that the actual mortality risk reduction resulting from a given pollutant reduction is 1/10,000.", can we conclude that "Studies can always accurately estimate reductions in mortality rates."?
****
Answer:
no

Question:
Based on the premise "I stepped back.", can we conclude that "I stepped forward. "?
****
Answer:
no

Question:
Based on the premise "The fat was going from his face, and his mustache was untrimmed, but he was uninjured.", can we conclude that "He was not good looking at all."?
****
Answer:
it is not possible to tell