(IP 
  (ADVP 
    (AD 然而))
                    
  (PP-PRP 
    (P 因为)
                    
    (IP 
      (NP-SBJ 
        (NN 土地))
                    
      (VP 
        (LCP-ADV 
          (NP 
            (NN 传统))
                    
          (LC 上))
                    
        (PP-LGS 
          (P 由)
                    
          (NP 
            (NN 氏族)
                    
            (CC 及)
                    
            (NN 家族)))
                    
        (ADVP 
          (AD 共同))
                    
        (VP 
          (VV 拥有)
                    
          (NP-OBJ 
            (-NONE- *-4))))))
                    
  (PU ，)
                    
  (IP-SBJ 
    (NP-SBJ 
      (-NONE- *PRO*))
                    
    (VP 
      (VV 签订)
                    
      (NP-OBJ 
        (NN 合约))))
                    
  (VP 
    (ADVP 
      (AD 颇为))
                    
    (VP 
      (VA 繁琐))))
arg0: 
                    *PRO* 签订 合约 
                
argm: 
                    颇为 
                
argm: 
                    因为 土地 传统 上 由 氏族 及 家族 共同 拥有 *-4 
                
argm: 
                    然而