(IP 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (ADVP 
      (AD 却))
                    
    (VP 
      (VV 生长)
                    
      (PP 
        (P 在)
                    
        (NP-PN 
          (NR 北京))))))
arg0: 
                    *pro* 
                
argm: 
                    在 北京 
                
argm: 
                    却