+----------COMP:V_PASS-N(in)----------+    
  +--MOD_ATT:N-N-+           |             +------MOD_ATT:N-N------+    
  |      +MOD_ATT+SUBJ:V_PASS+             |               +MOD_ATT+    
  |      |       |           |             |               |       |    
 GO : __SP__ __NODE__ is involved in proliferation of epithelial cells .
MOD_ATT:N-N (__NODE__,go)
MOD_ATT:N-ADJ (__NODE__,__SP__)
SUBJ:V_PASS-N (involve,__NODE__)
COMP:V_PASS-N(in) (involve,cell)
MOD_ATT:N-N (cell,proliferation)
MOD_ATT:N-ADJ (cell,epithelial)