(IP 
  (NP-SBJ 
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ-2 
            (-NONE- *T*-1))
                    
          (VP 
            (ADVP 
              (AD 较))
                    
            (PP-LGS 
              (P 为)
                    
              (NP 
                (NN 人们)))
                    
            (VP 
              (VV 熟悉)
                    
              (NP-OBJ 
                (-NONE- *T*-2)))))
                    
        (DEC 的))))
                    
  (VP 
    (ADVP 
      (AD 就))
                    
    (VP 
      (VC 是)
                    
      (NP-PRD 
        (CP 
          (WHNP-3 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-SBJ 
                (-NONE- *T*-3))
                    
              (VP 
                (VP 
                  (VV 化为)
                    
                  (NP-OBJ 
                    (NN 杜鹃鸟)))
                    
                (VP 
                  (VV 泣血))))
                    
            (DEC 的)))
                    
        (NP-PN 
          (NR 杜宇))))))
arg0: 
                    *T*-3