+----COMP:N-N(of)---+     
       +MOD_ATT:N-+SUBJ:V-N+--OBJ:V-N-+           +MOD_ATT+     
       |          |        |          |           |       |     
 Unesterified __NODE__ decreases expression of __SP__ __NODE__ .
MOD_ATT:N-N (__NODE__,Unesterified)
SUBJ:V-N (decrease,__NODE__)
OBJ:V-N (decrease,expression)
COMP:N-N(of) (expression,__NODE__)
MOD_ATT:N-ADJ (__NODE__,__SP__)