(IP 
  (NP-SBJ 
    (CP 
      (WHNP-2 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (PN 它))
                    
          (VP 
            (MSP 所)
                    
            (VP 
              (VV 取用)
                    
              (NP-OBJ 
                (-NONE- *T*-2)))))
                    
        (DEC 的)))
                    
    (NP 
      (NN 水)))
                    
  (VP 
    (VV 取自)
                    
    (NP-OBJ 
      (CP 
        (WHNP-3 
          (-NONE- *OP*))
                    
        (CP 
          (IP 
            (NP-SBJ 
              (-NONE- *T*-3))
                    
            (VP 
              (VV 流经)
                    
              (NP-OBJ 
                (ADJP 
                  (JJ 朱砂))
                    
                (NP 
                  (NN 土质)))))
                    
          (DEC 的)))
                    
      (NP-PN 
        (NR 赤水河)))))
arg0: 
                    *OP* 它 所 取用 *T*-2 的 水 
                
arg1: 
                    *OP* *T*-3 流经 朱砂 土质 的 赤水河