(ADVP 
  (CS 虽然))
                    
(IP 
  (IP 
    (NP-SBJ-1 
      (DNP 
        (NP 
          (PN 她))
                    
        (DEG 的))
                    
      (NP-PN 
        (NR 中华)
                    
        (NN 民国))
                    
      (NP 
        (NN 护照)))
                    
    (VP 
      (LB 被)
                    
      (IP-OBJ 
        (NP-SBJ 
          (NP-PN 
            (NR 美国))
                    
          (NP 
            (NN 移民局)))
                    
        (VP 
          (VV 扣压)
                    
          (NP-OBJ 
            (-NONE- *-1))))))
argm: 
                    虽然          
                
arg1: 
                    她 的 中华 民国 护照 -> *-1          
                
arg0: 
                    美国 移民局