(NP-SBJ (QP (CD 几)
(CLP (M 节)))
(NP (NN 车厢)))
(VP (VP (VV 受到)
(AS 了)
(NP-OBJ (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-1))
(VP (VA 猛烈)))
(DEC 的)))
(NP (NN 撞击))))
(PU ,)
(VP (VV 跳离)
(AS 了)
(NP-OBJ (NN 铁轨))))
ARG0: 几节 车厢
ARG1: 铁轨
REL: 跳离