+--------COMP:V_PASS-N(In)-------+                            
          |            +MOD_ATT+MOD_PRED:N-+COMP:ADJ-N(+COMP:N-N(o+     
          |            |       |           |           |          |     
 In mitochondria , __NODE__ protein is necessary for entry of __NODE__ .
MOD_ATT:N-ADJ (protein,__NODE__)
MOD_PRED:N-ADJ (protein,necessary)
COMP:V_PASS-N(In) (necessary,mitochondrion)
COMP:ADJ-N(for) (necessary,entry)
COMP:N-N(of) (entry,__NODE__)