+-------------SUBJ:V-N------------+                           
       +--------COMP:N-N(of)-------+     +-----COMP:V-N(in)-----+    
       |            +-MOD_ATT:N-ADJ+     |         +MOD_ATT:N-AD+    
       |            |       +MOD_AT+     |         |     +MOD_AT+    
       |            |       |      |     |         |     |      |    
 Localization of __SP__ __NODE__ mRNA occurs in __SP__ liver tissue .
COMP:N-N(of) (localization,mRNA)
MOD_ATT:N-ADJ (mRNA,__SP__)
MOD_ATT:N-ADJ (mRNA,__NODE__)
SUBJ:V-N (occur,localization)
COMP:V-N(in) (occur,toilet)
MOD_ATT:N-ADJ (toilet,__SP__)
MOD_ATT:N-N (toilet,liver)