(NP-TPC (ADVP (AD 连))
(NP (CP (WHNP-2 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-2))
(VP (VP (VV 环踞)
(NP-OBJ (NN 四周)))
(PU 、)
(VP (ADVP (AD 仅有))
(VP (NP-PRD (DNP (NP (QP (CD 一))
(NP (NN 水)))
(DEG 之))
(NP (NN 隔)))))))
(DEC 的)))
(NP-PN (NR 台北县))))
ARG0: *T*-2
ARG1: 四周
REL: 环踞