LG Game 4 Question 24 Explanation, by LSATHacks
What happens if K is at S? It’s this diagram, starting from K.
(Scroll down for diagram)
Our deductions are: Jr, Os, Ns and Lr.
We don’t know anything about P, they could go in either clinic. You can only go right to left on the diagrams, not left to right).
Now that we’ve made a few deductions, we should check if they give us the right answer. They do; B says N has to be at S.
B is CORRECT.
A and C must be false, and D and E are just things that could be true.
Local rule questions are often dead simple. If your diagram is correct, there’s no need to second guess it. The LSAC is rewarding you with easy points for figuring out how everything fits together.
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What do you mean by reading right to left? are you reading from Lr to Pr or Pr to Lr?
The question places K at s. So, look at Ks on the diagram, and read from there towards the right: Ks –> Jr –> Os –> Ns –> Lr
That is the ONLY way to go on these diagrams. You can’t go backwards, so we know nothing about P. Hope that helps!
For a simpler example, take this statement:
Cat –> Tail
1. If cat, we know it has a tail
2. If tail, we know nothing. Could be a cat, but could also be something else such as a dog. We can’t start on the right (tail) and go backwards to the left to conclude cat.