(IP-ADV 
  (NP-SBJ 
    (-NONE- *PRO*))
                    
  (VP 
    (VP 
      (VV 回头))
                    
    (VP 
      (ADVP 
        (AD 一))
                    
      (VP 
        (VV 看)))))
arg0: 
                    *PRO* 
                

(IP-OBJ 
  (NP-SBJ 
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *T*-1))
                    
          (VP 
            (ADVP 
              (AD 已经))
                    
            (VP 
              (VC 是)
                    
              (ADJP-PRD 
                (JJ 博士级)))))
                    
        (DEC 的)))
                    
    (NP 
      (NN 在职生)))
                    
  (PU ，)
                    
  (VP 
    (ADVP 
      (AD 又))
                    
    (VP 
      (VV 回头)
                    
      (IP-OBJ 
        (NP-SBJ 
          (-NONE- *PRO*))
                    
        (VP 
          (VV 念)
                    
          (NP-OBJ 
            (NN 硕士)))))))
arg0: 
                    *OP* *T*-1 已经 是 博士级 的 在职生 
                
argm: 
                    又