LG Game 2 Question 8 Explanation, by LSATHacks
This question places N first. Remember that PST need five spaces. If N is first, then PST must go in spaces 2, 4 and 6, represented by X’s:
S and T can’t go last, due to rules 2 and 3. So P goes last, and ST go in 2 and 4, in either order. We can draw two diagrams to capture both possibilities:
Next, apply rules 2 and 3 (T-W and S-O) In the first diagram, W must go in spot 5, after T.
In the second diagram, O must go in spot 5, after S.
That leaves space 5 open for the remaining variable. In the first diagram, O goes in space 3, and in the second diagram, W goes in space 3.
If that was confusing, draw the diagrams yourself and you should see how it works. Another way of looking at it is that TW and SO are interchangeable, in spaces 2-3 and 4-5.
E is CORRECT. Woodworking can be third.
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