(NP-SBJ (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-1))
(VP (PP-DIR (P 从)
(NP (NN 戏院)
(NN 后山)))
(VP (VV 瘫下))))
(DEC 的)))
(NP (NN 土石流)))
ARG1: *T*-1 -> 土石流
ARGM-DIR: 从 戏院 后山
REL: 瘫下