Unusually, this question is not an ‘acceptable order’ question. Usually first questions are. If the first question is not an acceptable order question, it’s a sure sign that you were expected to make a deduction in the setup.
Here, the only deduction is that you can combine rules 1 and 2 to get this diagram:
Since it’s the only deduction, this diagram is almost certainly what will let us get the right answer. We’re looking for something that can’t go fifth. That means something that has more than two other variables after it.
That’s V. Both Z and X have to go after V, so V can go fourth at latest.
B is CORRECT.
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