As with almost all first questions, you should use the rules to eliminate each answer choice, one by one. Each rule generally eliminates one answer.
A is wrong because J needs K (second rule).
B is CORRECT.
C is wrong because L can’t be assigned to any country except Z (last rule).
D is wrong because N and K can’t go together (first rule).
E is wrong because if O is assigned to V then K can’t be assigned to Y (third rule).
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