(IP 
  (NP-SBJ 
    (DNP 
      (NP 
        (QP 
          (OD 十九))
                    
        (NP 
          (NN 世纪)))
                    
      (DEG 的))
                    
    (ADJP 
      (JJ 制冰))
                    
    (NP 
      (NN 业者)))
                    
  (PU ，)
                    
  (VP 
    (VV 派)
                    
    (NP-OBJ 
      (NN 人))
                    
    (IP 
      (NP-SBJ 
        (-NONE- *PRO*))
                    
      (VP 
        (PP-LOC 
          (P 在)
                    
          (UCP 
            (CP 
              (WHNP-1 
                (-NONE- *OP*))
                    
              (CP 
                (IP 
                  (NP-SBJ 
                    (-NONE- *T*-1))
                    
                  (VP 
                    (VV 结冰)))
                    
                (DEC 的)))
                    
            (UCP 
              (NP 
                (NN 湖面))
                    
              (CC 或)
                    
              (LCP 
                (NP 
                  (NN 河))
                    
                (LC 里)))))
                    
        (PU ，)
                    
        (VP 
          (BA 将)
                    
          (IP-OBJ 
            (NP-SBJ 
              (NN 冰块))
                    
            (VP 
              (VP 
                (VV 锯下))
                    
              (VP 
                (PP-BNF 
                  (P 给)
                    
                  (NP 
                    (NN 顾客)))
                    
                (VP 
                  (VV 使用))))))))))
arg0: 
                    *T*-1