(IP 
  (NP-PN-SBJ 
    (PU 「)
                    
    (NR 向阳)
                    
    (NN 检验所)
                    
    (PU 」))
                    
  (VP 
    (VP 
      (ADVP 
        (AD 不))
                    
      (ADVP 
        (AD 只))
                    
      (VP 
        (VC 是)
                    
        (NP-PRD 
          (CP-APP 
            (IP 
              (NP-SBJ 
                (PN 他))
                    
              (VP 
                (VV 赖以维生)))
                    
            (DEC 的))
                    
          (NP 
            (NN 经济)
                    
            (NN 来源)))))
                    
    (PU ，)
                    
    (VP 
      (ADVP 
        (AD 更))
                    
      (VP 
        (VC 是)
                    
        (NP-PRD 
          (CP 
            (WHNP-2 
              (-NONE- *OP*))
                    
            (CP 
              (IP 
                (NP-SBJ 
                  (PN 他))
                    
                (VP 
                  (NP-MNR 
                    (-NONE- *T*-2))
                    
                  (PP 
                    (P 与)
                    
                    (NP 
                      (NN 原住民)))
                    
                  (VP 
                    (VP 
                      (VV 接触))
                    
                    (PU 、)
                    
                    (VP 
                      (VV 交)
                    
                      (NP-OBJ 
                        (NN 朋友))))))
                    
              (DEC 的)))
                    
          (NP 
            (NN 管道)))))))
arg0: 
                    他