(IP (NP-SBJ (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-1))
(VP (VV 孤悬)
(NP-OBJ (NN 外海))))
(DEC 的)))
(NP-PN (NR 绿岛)))
(PU ，)
(VP (VP (ADVP (AD 曾经))
(VP (VC 是)
(NP-PRD (CP (WHNP-2 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *pro*))
(VP (NP-LOC (-NONE- *T*-2))
(VP (VV 拘禁)
(NP-OBJ (NN 政治犯)))))
(DEC 的)))
(NP (NN 重地)
(NN 之一)))))
(PU ，)
(VP (VV 留下)
(NP-OBJ (DNP (ADJP (JJ 无数))
(DEG 的))
(NP (NN 悲怆)
(NN 血泪))))))
ARG0: *T*-1
ARG1: 外海
REL: 孤悬