(IP 
  (IP-Q-SBJ 
    (NP-SBJ 
      (-NONE- *PRO*))
                    
    (VP 
      (ADVP-WH 
        (AD 如何))
                    
      (VP 
        (VP 
          (VV 扫除)
                    
          (NP-OBJ 
            (LCP 
              (NP 
                (NN 路))
                    
              (LC 上))
                    
            (NP 
              (NN 障碍))))
                    
        (PU ，)
                    
        (VP 
          (VV 让)
                    
          (NP-OBJ 
            (DNP 
              (NP 
                (NN 进展))
                    
              (DEG 的))
                    
            (NP 
              (NN 脚步)))
                    
          (IP 
            (NP-SBJ 
              (-NONE- *PRO*))
                    
            (VP 
              (ADVP 
                (AD 尽量))
                    
              (VP 
                (VV 拉大)
                    
                (PU 、)
                    
                (VV 拉快))))))))
                    
  (PU ，)
                    
  (VP 
    (VC 是)
                    
    (NP-PRD 
      (DNP 
        (NP-PN 
          (NR 台湾))
                    
        (DEG 的))
                    
      (NP 
        (NN 当务之急)))))
arg1: 
                    *PRO* 
                
argm: 
                    尽量