+------COMP:N-N(of)------+      
    +SUBJ:+--OBJ:V-N-+            +MOD_ATT:N-A+      
    |     |          |            |           |      
 IL 4 increases activation of __NODE__ 2 [__NODE__] .
SUBJ:V-N (increase,4)
OBJ:V-N (increase,activation)
COMP:N-N(of) (activation,[__NODE__])
MOD_ATT:N-ADJ ([__NODE__],__NODE__)