+----------------SUBJ:V-N---------------+    
     +---------COMP:N-N(of)---------+        |    
     +COMP:N-N(of+          +MOD_ATT+        |    
     |           |          |       |        |    
 Relation of __NODE__ and death receptors occurs .
COMP:N-N(of) (relation,__NODE__)
COMP:N-N(of) (relation,receptor)
MOD_ATT:N-N (receptor,death)
SUBJ:V-N (occur,relation)