+---------------SUBJ:V-N---------------+    
      +---------COMP:N-N(of)---------+       |    
      |             +--MOD_ATT:N-ADJ-+       |    
      |             |      +MOD_ATT:N+       |    
      |             |      |         |       |    
 Containment of complete gene in __NODE__ occurs .
COMP:N-N(of) (containment,__NODE__)
MOD_ATT:N-ADJ (__NODE__,complete)
MOD_ATT:N-N (__NODE__,gene)
SUBJ:V-N (occur,containment)