(NP-SBJ 
  (-NONE- *PRO*))
                    
(VP 
  (VP 
    (PP-DIR 
      (P 从)
                    
      (NP 
        (DNP 
          (NP 
            (NP 
              (NN 西北)
                    
              (NN 边境))
                    
            (PU ，)
                    
            (NP-PN 
              (NR 泰国))
                    
            (NP 
              (NN 军官)))
                    
          (DEG 的))
                    
        (NP 
          (NN 手中))))
                    
    (VP 
      (VV 买下)
                    
      (NP-OBJ 
        (NP 
          (QP 
            (CD 两)
                    
            (CLP 
              (M 只)))
                    
          (NP 
            (NN 老虎崽)))
                    
        (PU 、)
                    
        (NP 
          (QP 
            (CD 一)
                    
            (CLP 
              (M 头)))
                    
          (NP 
            (NN 狮子))))))
                    
  (PU ，)
                    
  (VP 
    (BA 把)
                    
    (IP-OBJ 
      (NP 
        (PN 它们))
                    
      (VP 
        (VSB 
          (VV 走私)
                    
          (VV 运入))
                    
        (NP-PN-OBJ 
          (NR 柬埔寨)))))
arg0: 
                    *PRO*          
                
arg1: 
                    它们          
                
arg2: 
                    柬埔寨