(IP-Q 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (ADVP 
      (AD 到底))
                    
    (VP 
      (VE 有)
                    
      (IP-OBJ 
        (NP-SBJ 
          (DNP 
            (NP 
              (DP-WH 
                (DT 哪些))
                    
              (NP 
                (NN 国家)))
                    
            (DEG 的))
                    
          (NP 
            (NN 电视))
                    
          (ADJP 
            (JJ 从业))
                    
          (NP 
            (NN 人员)))
                    
        (VP 
          (VP 
            (VV 来)
                    
            (NP-PN-OBJ 
              (NR 台)))
                    
          (VP 
            (VV 受训)))))))
arg0: 
                    哪些 国家 的 电视 从业 人员