(IP 
  (ADVP 
    (AD 但))
                    
  (NP-SBJ 
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *T*-1))
                    
          (VP 
            (VA 坚硬)))
                    
        (DEC 的)))
                    
    (NP 
      (NN 榉木)
                    
      (PU 、)
                    
      (NN 乌心石)))
                    
  (VP 
    (ADVP 
      (AD 都))
                    
    (VP 
      (VPT 
        (VV 撑)
                    
        (AD 不)
                    
        (VV 过))
                    
      (IP-OBJ 
        (NP 
          (NN 运材车))
                    
        (DNP 
          (QP 
            (QP 
              (CD 三)
                    
              (CLP 
                (-NONE- *RNR*-2)))
                    
            (PU 、)
                    
            (QP 
              (CD 五)
                    
              (CLP-2 
                (M 年))))
                    
          (DEG 的))
                    
        (IP 
          (NP-SBJ 
            (-NONE- *PRO*))
                    
          (VP 
            (ADVP 
              (AD 轰隆))
                    
            (VP 
              (VV 去来))))))))
arg0: 
                    *T*-1