(IP (NP-SBJ (-NONE- *pro*)) (VP (VV ʹ��) (NP-OBJ (NN ĸ��)) (IP (NP-SBJ (-NONE- *PRO*)) (VP (VV ��ס) (NP-OBJ (NN �ӿ�))))))
ARG1: �ӿ� ARG2: *PRO* REL: ��ס