(IP-OBJ 
  (NP-SBJ 
    (ADJP 
      (JJ 非婚生))
                    
    (NP 
      (NN 子女)))
                    
  (VP 
    (ADVP 
      (AD 仅))
                    
    (VP 
      (VC 是)
                    
      (NP-PRD 
        (CP 
          (WHNP-1 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-SBJ 
                (-NONE- *T*-1))
                    
              (VP 
                (LCP-LOC 
                  (NP 
                    (ADJP 
                      (JJ 已婚))
                    
                    (NP 
                      (NN 夫妻)))
                    
                  (LC 中))
                    
                (ADVP 
                  (AD 极))
                    
                (VP 
                  (VA 个别))))
                    
            (DEC 的)))
                    
        (NP 
          (NN 现象))))))
arg0: 
                    *T*-1 
                
argm: 
                    已婚 夫妻 中 
                
argm: 
                    极