(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