( 
  (NP 
    (QP 
      (CD 一)
                    
      (CLP 
        (M 种)))
                    
    (CP 
      (WHNP-2 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (IP 
            (NP-SBJ 
              (-NONE- *T*-2))
                    
            (VP 
              (VV 便于)
                    
              (IP-OBJ 
                (NP-SBJ 
                  (-NONE- *PRO*))
                    
                (VP 
                  (VCD 
                    (VV 保洁)
                    
                    (VV 保温)))))))
                    
        (DEC 的)))
                    
    (ADJP 
      (JJ 新式))
                    
    (NP 
      (NN 蜂笼))))
arg0:  *PRO*