( (IP (NP-SBJ (NN 骑师))
(VP (PP-PRP (P 为)
(IP (NP-SBJ (-NONE- *pro*))
(VP (VV 保持)
(NP-OBJ (NN 瘦身)))))
(PU ，)
(ADVP (AD 也))
(ADVP (AD 可能))
(VP (VV 会)
(VP (VP (VV 走过头))
(PU ，)
(VP (VV 走火入魔)))))
(PU ．)))
ARG0: 骑师
ARGM-PRP: 为保持瘦身
ARGM-ADV: 也
ARGM-ADV: 可能
REL: 走火入魔