+--------------COMP:V-N(in)--------------+    
      +----------SUBJ:V-N----------+        +----------MOD_ATT:N-N----------+    
      +----COMP:N-N(of)----+       |        |            +----MOD_ATT:N-N---+    
      |            +MOD_ATT+       |        |            |         +MOD_ATT:+    
      |            |       |       |        |            |         |        |    
 Expression of __NODE__ protein occurs in colon from organism exhibiting cancer .
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__NODE__)
SUBJ:V-N (occur,expression)
COMP:V-N(in) (occur,cancer)
MOD_ATT:N-N (cancer,colon)
MOD_ATT:N-N (cancer,organism)
MOD_ATT:N-N (cancer,exhibit)