(IP 
  (NP-SBJ 
    (NP-PN-APP 
      (NR 绿岛))
                    
    (NP 
      (DP 
        (DT 这)
                    
        (CLP 
          (M 个)))
                    
      (CP 
        (WHNP-1 
          (-NONE- *OP*))
                    
        (CP 
          (IP 
            (NP-SBJ-2 
              (-NONE- *T*-1))
                    
            (VP 
              (PP-LGS 
                (P 由)
                    
                (NP 
                  (NN 火山)
                    
                  (NN 集块岩)))
                    
              (VP 
                (VV 构成)
                    
                (NP-OBJ 
                  (-NONE- *-2)))))
                    
          (DEC 的)))
                    
      (NP 
        (NN 岛屿))))
                    
  (PU ，)
                    
  (VP 
    (PP-PRP 
      (P 因)
                    
      (UCP 
        (IP 
          (NP-SBJ 
            (-NONE- *PRO*))
                    
          (VP 
            (ADVP 
              (AD 长年))
                    
            (VP 
              (VV 风化))))
                    
        (CC 及)
                    
        (NP 
          (DNP 
            (NP 
              (NN 海水))
                    
            (DEG 的))
                    
          (NP 
            (NN 侵蚀)))))
                    
    (PU ，)
                    
    (VP 
      (VV 形成)
                    
      (NP-OBJ 
        (CP 
          (WHNP-3 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-SBJ 
                (-NONE- *T*-3))
                    
              (VP 
                (VCD 
                  (VA 曲折)
                    
                  (VA 多变))))
                    
            (DEC 的)))
                    
        (NP 
          (NN 海岸)
                    
          (NN 景观))))))
arg0: 
                    *PRO* 
                
argm: 
                    长年