(IP-OBJ (NP-SBJ (-NONE- *PRO*)) (VP (VP (PP-BNF (P 替) (NP (NP-APP (NN 老友)) (NP-PN (NR 许信良)))) (VP (VV 跨刀))) (VP (VV 担任) (NP-OBJ (ADJP (JJ 副)) (NP (NN 总统))))))
ARG0: *PRO* ARGM-BNF: 替 老友 许信良 REL: 跨刀