(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