Question ID:PT73 S4 Q25 Passage:Roberta is irritable only when she is tired, and loses things only when she is tired. Since she has been yawning all day, and has just lost her keys, she is almost certainly irritable. Stem:The reasoning above is flawed in that it Correct Answer Choice:EChoice A:infers from a correlation between tiredness and yawning that tiredness causes yawning Choice B:assumes the conclusion that it sets out to prove Choice C:generalizes on the basis of a single instance Choice D:takes a necessary condition for Roberta's losing things to be a sufficient condition Choice E:takes a necessary condition for Roberta's being irritable to be a sufficient condition