(NP-SBJ (CP (WHNP-2 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-2))
(VP (VV 发酒疯)))
(DEC 的)))
(NP (NN 儿子)))
(VP (VV 砍杀)
(AS 了)
(NP-OBJ (DNP (NP (NN 老母))
(DEG 的))
(NP (NN 手背))))))))
ARG0: 发酒疯 的 儿子
ARG1: 老母 的 手背
REL: 砍杀