This must be true question is testing for a general deduction we should have made. The more “must be true” questions you see that don’t involve a local rule, the more likely it is that you should have made deductions during the setup.
A could be true, but it doesn’t have to be. In the last question, we figured out W could be first.
B is disproved by the first scenario, when Q is in slot 6.
C is disproved by question 14, just like A. R can go first, but it doesn’t have to. W can go first in scenario 1, and Q can go first in scenario 2.
D is disproved by scenario 1, where V has to arrive after the York.
E is CORRECT. W is before S and S is before the Y. This answer choice is a reward for getting through the others.
Sometimes the LSAC makes the correct answer easy, but puts it at the end. It can pay to go quickly through the answers you’re not certain you can disprove. Don’t eliminate them, but looking through all the answers lets you check if LSAC has hidden an easy answer choice right at the end.
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