September 2014 LSAT Section 4 Question 25

Roberta is irritable only when she is tired, and loses things only when she is tired. Since she has been yawning all ...

NAM1921 on April 12, 2023

Having trouble with the reasoning against A. Could someone expand on that?

I understand that even if yawning=tired, E would still be true, but I guess I'm struggling to understand how to identify a throwaway in the stimulus in the moment.

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Emil-Kunkin on April 12, 2023

Hi, a is wrong because the author categorically does not do what A describes. For flaw questions, the right answer is the "bad" thing the author did. The author never claims that tiredness causes yawning, nor do they establish a correlation between the two.

NAM1921 on April 17, 2023

Got it thank you!