(PP-LOC (P 在)
(LCP (NP (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-PN-SBJ (NR 联合国))
(VP (PP-TMP (P 自)
(LCP (NP (NT １９９３年))
(LC 以来)))
(VP (MSP 所)
(VP (VV 监测)
(NP-OBJ (-NONE- *T*-1))))))
(DEC 的)))
(QP (CD １４３)
(CLP (M 个)))
(NP (NN 国家)))
(LC 中)))
ARG0: 联合国
ARG1: *T*-1
ARGM-TMP: 自 １９９３年 以来
REL: 监测