(IP 
  (NP-SBJ 
    (PN 这))
                    
  (VP 
    (VC 是)
                    
    (NP-PRD 
      (QP 
        (CD 一)
                    
        (CLP 
          (M 个)))
                    
      (CP 
        (WHNP-1 
          (-NONE- *OP*))
                    
        (CP 
          (IP 
            (NP-SBJ 
              (-NONE- *T*-1))
                    
            (VP 
              (VV 值得)
                    
              (NP-OBJ 
                (NP-PN 
                  (NR 中国))
                    
                (NP 
                  (NN 人民)))
                    
              (IP 
                (NP-SBJ 
                  (-NONE- *PRO*))
                    
                (VP 
                  (VV 自豪)))))
                    
          (DEC 的)))
                    
      (CP 
        (WHNP-2 
          (-NONE- *OP*))
                    
        (CP 
          (IP 
            (NP-SBJ 
              (-NONE- *T*-2))
                    
            (VP 
              (VV 了不起)))
                    
          (DEC 的)))
                    
      (NP 
        (NN 成就)))))
arg0: 
                    *T*-2