A man in a red shirt is standing next to a woman in a blue dress. They are both holding hands and smiling at each other. Byron Swift, Environmental Law Institute, Allowance Trading and Potential Hot Spots - Good News from the Acid Rain Program 31 Environment Reporter, pp. 954-959, May 12, 2000. Does it imply that the Acid Rain Program is ineffective? Premise: A person is walking down the street. Hypothesis: The person is a woman. Can we conclude the hypothesis based on the premise?
yes
no
it is not possible to tell