, P (P)
(Q) Q ,

A
a (A) c

B (B) b
a (C) C

D (D) c

a (E) E

a ( b
F (F) c
d ) e

a ( b
c (G) G
d ) e

a ( b ) H (H) d

a (I) c
I " this must be the last pair test

J
a 'J' c

K 'K' b
a 'L' L

a 'M' c
d ' e

a ' b
c 'N' e

a 'O' c
O " this must be the last quote test