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(B (E (A (N), N (A)), N (A (E), E (A)), A (E (N), N (E))), N, E (B (A (N),…
B
E
A
N
N
A
N
A
E
E
A
A
E
N
N
E
N
E
B
A
N
N
A
N
B
A
A
B
A
B
N
N
B
A
B
E
N
N
E
N
B
E
E
B
E
N
B
B
N