+-------COMP:N-N(of)-------+   
                        |           +-MOD_ATT:N-ADJ+   
   +-SUBJ:V-N-+-OBJ:V-N-+           |       +MOD_AT+   
   |          |         |           |       |      |   
 Poly I : increases induction of __SP__ __NODE__ mRNA .
SUBJ:V-N (increase,poly)
OBJ:V-N (increase,induction)
COMP:N-N(of) (induction,mRNA)
MOD_ATT:N-ADJ (mRNA,__SP__)
MOD_ATT:N-ADJ (mRNA,__NODE__)