(IP-OBJ (PU “)
(NP-SBJ (PN 我们))
(VP (VV 必须)
(VP (VP (VV 整治)
(NP-OBJ (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-1))
(VP (ADVP (AD 日益))
(VP (VV 侵蚀)
(NP-OBJ (NN 耕地)))))
(DEC 的)))
(NP (NN 沙漠))))
(PU ,)
(VP (VV 开发)
(NP-OBJ (CP (WHNP-3 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-3))
(VP (VA 新)))
(DEC 的)))
(NP (NN 水源))))
(PU ,)
(VP (VV 实施)
(NP-OBJ (CP (WHNP-2 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-2))
(VP (VA 新)))
(DEC 的)))
(NP (NN 工程)
(NN 项目)))))))
ARG0: 我们
ARG1: *OP* *T*-1 日益 侵蚀 耕地 的 沙漠
REL: 整治
(LCP-TMP (IP (NP-SBJ (NN 运河))
(VP (VV 整治)))
(LC 后))
ARG1: 运河
REL: 整治