(IP 
  (PP-PRP 
    (P 由於)
                    
    (IP 
      (NP-SBJ 
        (DNP 
          (NP-PN 
            (NR 栖兰))
                    
          (DEG 的))
                    
        (NP 
          (NN 管理)
                    
          (NN 单位)))
                    
      (VP 
        (VC 是)
                    
        (NP-PN-PRD 
          (NN 退辅会)))))
                    
  (PU ，)
                    
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (ADVP 
      (AD 过往))
                    
    (ADVP 
      (AD 已))
                    
    (VP 
      (VV 伐除)
                    
      (NP-OBJ 
        (QP 
          (ADVP 
            (AD 将近))
                    
          (QP 
            (CD 六千)
                    
            (CLP 
              (M 公顷))))
                    
        (NP 
          (NN 桧木林))))))
arg0: 
                    *pro* 
                
arg1: 
                    将近 六千 公顷 桧木林 
                
argm: 
                    已 
                
argm: 
                    过往 
                
argm: 
                    由於 栖兰 的 管理 单位 是 退辅会 
                

(IP 
  (NP-SBJ 
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *T*-1))
                    
          (VP 
            (VV 讲求)
                    
            (NP-OBJ 
              (NN 速效))))
                    
        (DEC 的)))
                    
    (NP 
      (NN 台湾人)))
                    
  (VP 
    (PP-TMP 
      (P 在)
                    
      (LCP 
        (IP 
          (NP-SBJ 
            (NN 桧木林))
                    
          (VP 
            (VV 伐除)))
                    
        (LC 後)))
                    
    (PU ，)
                    
    (ADVP 
      (AD 通常))
                    
    (ADVP 
      (AD 都))
                    
    (VP 
      (VV 栽种)
                    
      (NP-OBJ 
        (CP 
          (WHNP-2 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-SBJ 
                (-NONE- *T*-2))
                    
              (VP 
                (QP-ADV 
                  (CD 二十)
                    
                  (CLP 
                    (M 年)))
                    
                (ADVP 
                  (AD 即))
                    
                (VP 
                  (VV 可)
                    
                  (VP 
                    (VV 砍伐)))))
                    
            (DEC 的)))
                    
        (NP 
          (NN 柳杉))))))
arg1: 
                    桧木林