+--MOD_ATT:N-N-+                                         
  |      +MOD_ATT+SUBJ:V_PASS+COMP:V_PASS-+COMP:N-N(of+    
  |      |       |           |            |           |    
 GO : __SP__ __NODE__ is involved in development of heart .
MOD_ATT:N-N (__NODE__,go)
MOD_ATT:N-ADJ (__NODE__,__SP__)
SUBJ:V_PASS-N (involve,__NODE__)
COMP:V_PASS-N(in) (involve,development)
COMP:N-N(of) (development,heart)