+--------------SUBJ:V-N-------------+-----------COMP:V-N(in)----------+    
      +--------COMP:N-N(of)-------+       |        +-------MOD_ATT:N-N------+    
      |           +-MOD_ATT:N-ADJ-+       |        |             +MOD_ATT:N-+    
      |           |       +MOD_ATT+       |        |             |    +MOD_A+    
      |           |       |       |       |        |             |    |     |    
 Expression of __SP__ __NODE__ mRNA(s) occurs in brain from 10 month old __SP__ .
COMP:N-N(of) (expression,mRNA(s))
MOD_ATT:N-ADJ (mRNA(s),__SP__)
MOD_ATT:N-ADJ (mRNA(s),__NODE__)
SUBJ:V-N (occur,expression)
COMP:V-N(in) (occur,__SP__)
MOD_ATT:N-N (__SP__,brain)
MOD_ATT:N-N (__SP__,month)
MOD_ATT:N-ADJ (__SP__,old)