+SUBJ:V-N+--OBJ:V-N-+COMP:N-N(of)+     
     |        |          |            |     
 __NODE__ increases expression of __NODE__ .
SUBJ:V-N (increase,__NODE__)
OBJ:V-N (increase,expression)
COMP:N-N(of) (expression,__NODE__)

     +------OBJ:V-N------+                  
     |        +MOD_ATT:N-+COMP:N-N(of)+     
     |        |          |            |     
 __NODE__ increases expression of __NODE__ .
OBJ:V-N (__NODE__,expression)
MOD_ATT:N-N (expression,increase)
COMP:N-N(of) (expression,__NODE__)