P
N
A
N
V
N
A
B
N
B
N
V
N
N
P
N
A
B
P
V
P
V
A
P
V
N
B
V
N
A
V
N
P
P
P
V
V
P
P
B
N
A
P
B
B
P
V
A
A
V
P
V
A
A
V
V
N
B
P
B
B
V
A
A
B
A
B
A
B
A
P
N
B
B
N