T h e r e s   h a r m o n y   h e r e .   D o   I   q u a l i f y ?   D o   I   q u a l i f y ?   H o w e v e r ,   i n   i t s   e s s e n c e ,   t h e   n o t i o n   i s   q u i t e   s t r a i g h t f o r w a r d .   1 .
there is a controversy at its service.
( z0 controversy :ARG0-of ( z1 serve :ARG2 ( z2 it ) ) )
(z0 / controversy
    :ARG0-of (z1 / serve-01
                 :ARG2 (z2 / it)))
there is a controversy at its service .
z1 :ARG2 z2
z0 :ARG0-of z1