+--------------COMP:V-N(in)--------------+    
      +------------SUBJ:V-N------------+        +----------MOD_ATT:N-N----------+    
      +-------COMP:N-N(of)-------+     |        |              +---MOD_ATT:N-N--+    
      |           +-MOD_ATT:N-ADJ+     |        |              |    +MOD_ATT:N-A+    
      |           |       +MOD_AT+     |        |              |    |    +MOD_AT+    
      |           |       |      |     |        |              |    |    |      |    
 Expression of __SP__ __NODE__ mRNA occurs in ovary from 2 3 month old adult __SP__ .
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,__SP__)
MOD_ATT:N-N (__SP__,ovary)
MOD_ATT:N-N (__SP__,month)
MOD_ATT:N-ADJ (__SP__,old)
MOD_ATT:N-N (__SP__,adult)