(IP 
  (NP-SBJ 
    (CP 
      (WHNP-3 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *T*-3))
                    
          (VP 
            (VP 
              (VV 出身)
                    
              (NP-OBJ 
                (QP 
                  (OD 三)
                    
                  (CLP 
                    (M 级)))
                    
                (NP 
                  (NN 贫户))))
                    
            (VP 
              (ADVP 
                (AD 而))
                    
              (VP 
                (VV 苦学有成)))))
                    
        (DEC 的)))
                    
    (NP-PN 
      (NR 民进党))
                    
    (NP-APP 
      (NN 总统)
                    
      (NN 候选人))
                    
    (NP-PN 
      (NR 陈水扁)))
                    
  (VP 
    (ADVP 
      (AD 就))
                    
    (VP 
      (VC 是)
                    
      (NP-PRD 
        (QP 
          (CD 一)
                    
          (CLP 
            (M 个)))
                    
        (NP 
          (NN 例子))))))
arg0: 
                    *T*-3