(IP (NP-SBJ (NN 百步蛇)) (VP (ADVP (AD 便)) (VP (VV 会) (VP (ADVP (AD 从容)) (VP (VV 离去))))))
ARG0: 百步蛇 ARGM-ADV: 从容 ARGM-ADV: 便 REL: 离去