+------------SUBJ:V-N------------+----------COMP:V-N(in)---------+        
      +-------COMP:N-N(of)-------+     |         +----MOD_ATT:N-ADJ----+        
      |           +-MOD_ATT:N-ADJ+     |         |     +-MOD_ATT:N-ADJ-+        
      |           |       +MOD_AT+     |         |     |     +MOD_ATT:N+        
      |           |       |      |     |         |     |     |         |        
 Expression of __SP__ __NODE__ mRNA occurs in __SP__ clear cell adenocarcinoma .
COMP:N-N(of) (expression,mRNA)
MOD_ATT:N-ADJ (mRNA,__SP__)
MOD_ATT:N-ADJ (mRNA,__NODE__)
SUBJ:V-N (occur,expression)
COMP:V-N(in) (occur,adenocarcinoma)
MOD_ATT:N-ADJ (adenocarcinoma,__SP__)
MOD_ATT:N-ADJ (adenocarcinoma,clear)
MOD_ATT:N-N (adenocarcinoma,cell)