+--MOD_ATT:N-N--+                                      
     |      +MOD_ATT:+SUBJ:V-N+-OBJ:V-N+                    
     |      |        |        |        |                    
 Igf 2 [__NODE__] protein increases growth of otic vesicle .
MOD_ATT:N-N (protein,2)
MOD_ATT:N-N (protein,[__NODE__])
SUBJ:V-N (increase,protein)
OBJ:V-N (increase,growth)