(IP 
  (IP-ADV 
    (NP-SBJ 
      (NT 千禧年))
                    
    (VP 
      (ADVP 
        (AD 将))
                    
      (VP 
        (VV 届))))
                    
  (PU ，)
                    
  (NP-SBJ 
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *pro*))
                    
          (VP 
            (NP-TMP 
              (NT 未来))
                    
            (VP 
              (VV 面对)
                    
              (NP-OBJ 
                (-NONE- *T*-1)))))
                    
        (DEC 的))))
                    
  (VP 
    (VC 是)
                    
    (NP-PRD 
      (CP 
        (WHNP-2 
          (-NONE- *OP*))
                    
        (CP 
          (IP 
            (NP-DIR 
              (-NONE- *T*-2))
                    
            (VP 
              (PP 
                (P 和)
                    
                (LCP 
                  (NP 
                    (QP 
                      (CD 半))
                    
                    (NP 
                      (NN 世纪)))
                    
                  (LC 前)))
                    
              (ADVP 
                (AD 完全))
                    
              (VP 
                (VA 不同))))
                    
          (DEC 的)))
                    
      (NP 
        (NN 挑战)))))
arg0: 
                    千禧年 
                
argm: 
                    将