October 1991 LSAT Section 4 Question 6

Although this bottle is labeled "vinegar," no fizzing occurred when some of the liquid in it was added to powder from...

AndrewArabie on October 2, 2022

A vs B

The correct answer (B) says that the stimulus fails to exclude alternative explanations to the observed effect. Answer choice A provides an alternative explanation--that there is a possibility the bottle was mislabeled. To me these two answers are perfectly compatible with each other.

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Emil-Kunkin on October 5, 2022

Hi Andrewarabie,

A is compatible with the argument. The argument is that the bottle is mislabeled. A is also saying it is mislabeled.

The alternative explanation that is most likely is that the baking soda, not the vinegar, was mislabeled.

AndrewArabie on October 5, 2022

I must've read the question stem wrong. Thank you Emil!