This question gives us another local rule to draw. If you’re not comfortable changing your diagram, or you’re not fast at it, then practice. It’s a supremely important skill for logic games, and you can get better at it.
This should only take about 5–10 seconds to draw. You draw T – Y – R, then draw the new rule showing S in front of Y, then add in your old rule that puts X afterwards:
R has to go in 4 because three variables come earlier. Y is in 3 because S and T come earlier. X and V are left to go after R.
A is CORRECT. T can go in 1 or 2.
You can see from the diagram that B–E are wrong. Y and R have to be in 3 and 4, and S and V can’t be in 3 and 4.
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