( 
  (IP-OBJ 
    (PU “)
                    
    (NP-SBJ 
      (-NONE- *pro*))
                    
    (VP 
      (VV 能)
                    
      (VP 
        (ADVP 
          (AD 顺利))
                    
        (VP 
          (VV 查清)
                    
          (NP-OBJ 
            (CP 
              (WHNP-1 
                (-NONE- *OP*))
                    
              (CP 
                (IP 
                  (NP-SBJ 
                    (-NONE- *pro*))
                    
                  (VP 
                    (ADVP 
                      (AD 已))
                    
                    (VP 
                      (VV 发现)
                    
                      (NP-OBJ 
                        (-NONE- *T*-1)))))
                    
                (DEC 的)))
                    
            (NP 
              (NN 核)
                    
              (NN 材料)
                    
              (NN 走私))))))))
arg0:  *pro* 
argM:  顺利