H e   r e f u s e d   t o   d e s c r i b e   t h e   a t t a c k   a s   t e r r o r i s m ,   s a y i n g   o n l y   t h a t   D i e y e   ' w a n t e d   t o   a t t a c k   p o l i c e ' .   T h e r e   w e r e   n o   r e p o r t s   o f   c a s u a l t i e s .   I n   t h a t   c a s e ,   t h e   a l a r m   d i d n t   g o   o f f .   T h e   w o u n d e d   o f f i c e r ,   w h o   h a s   n o t   b e e n   n a m e d ,   w a s   r u s h e d   t o   h o s p i t a l   w i t h   a   ' v e r y   s e r i o u s   t h i g h   i n j u r y   w h i c h   c o u l d   b e   l i f e   t h r e a t e n i n g , '   s a i d   t h e   s o u r c e .   H e   w a s   r e l e a s e d   b u t   o r d e r e d   t o   u n d e r g o   t r e a t m e n t   f o r   h i s   s c h i z o p h r e n i a ,   a n d   w a s   p l a c e d   i n   a n   a s s i s t e d   l i v i n g   f a c i l i t y   s o   p r o b a t i o n   s e r v i c e s   c o u l d   m o n i t o r   h i s   c a r e .
thus, the names of the people that did the crime are unknown, but the witnesses are described as unofficial results from someone who has schizophrenia.
( z0 contrast :ARG1 ( z1 cause :ARG1 ( z2 know :ARG1 ( z3 thing :ARG2-of ( z4 name :ARG1 ( z5 person :ARG0-of ( z6 crime ) ) ) ) :polarity - ) ) :ARG2 ( z7 describe :ARG1 ( z8 person :ARG0-of ( z9 witness ) ) :ARG2 ( z10 thing :ARG2-of ( z11 result :ARG1 ( z12 someone :ARG0-of ( z13 have :ARG1 ( z14 schizophrenia ) ) ) ) :mod ( z15 official :polarity - ) ) ) )
(z0 / contrast-01
    :ARG1 (z1 / cause-01
              :ARG1 (z2 / know-01
                        :ARG1 (z3 / thing
                                  :ARG2-of (z4 / name-01
                                               :ARG1 (z5 / person
                                                         :ARG0-of (z6 / crime-02))))
                        :polarity -))
    :ARG2 (z7 / describe-01
              :ARG1 (z8 / person
                        :ARG0-of (z9 / witness-01))
              :ARG2 (z10 / thing
                         :ARG2-of (z11 / result-01
                                       :ARG1 (z12 / someone
                                                  :ARG0-of (z13 / have-03
                                                                :ARG1 (z14 / schizophrenia))))
                         :mod (z15 / official
                                   :polarity -))))
thus , the names of the people that did the crime are unknown , but the witnesses are described as unofficial results from someone who has schizophrenia .
z3 :ARG2-of z4
z4 :ARG1 z5
z5 :ARG0-of z6
z2 :polarity 0
z2 :ARG1 z3
z1 :ARG1 z2
z0 :ARG1 z1
z8 :ARG0-of z9
z7 :ARG1 z8
z0 :ARG2 z7
z15 :polarity 1
z10 :mod z15
z7 :ARG2 z10
z10 :ARG2-of z11
z11 :ARG1 z12
z12 :ARG0-of z13
z13 :ARG1 z14