+----------------SUBJ:V-N----------------+-----------------COMP:V-N(in)----------------+    
      +-----------COMP:N-N(of)-----------+     |         +------------MOD_ATT:N-N------------+    
      |           +-----MOD_ATT:N-ADJ----+     |         |               +----MOD_ATT:N-N----+    
      |           |       +--MOD_ATT:N-N-+     |         |               |   +-MOD_ATT:N-ADJ-+    
      |           |       |      +MOD_ATT+     |         |               |   |      +MOD_ATT:+    
      |           |       |      |       |     |         |               |   |      |        |    
 Expression of __SP__ IMP 1 [__NODE__] mRNA occurs in tongue from 120.5 day old embryonic __SP__ .
COMP:N-N(of) (expression,mRNA)
MOD_ATT:N-ADJ (mRNA,__SP__)
MOD_ATT:N-N (mRNA,1)
MOD_ATT:N-N (mRNA,[__NODE__])
SUBJ:V-N (occur,expression)
COMP:V-N(in) (occur,__SP__)
MOD_ATT:N-N (__SP__,tongue)
MOD_ATT:N-N (__SP__,day)
MOD_ATT:N-ADJ (__SP__,old)
MOD_ATT:N-ADJ (__SP__,embryonic)