(IP 
  (IP 
    (NP-PN-SBJ 
      (NR 苏联))
                    
    (VP 
      (VV 准备)
                    
      (IP-OBJ 
        (NP-SBJ 
          (-NONE- *PRO*))
                    
        (VP 
          (PP-TMP 
            (P 从)
                    
            (LCP 
              (NP 
                (NT 今年)
                    
                (NT 五月))
                    
              (LC 开始)))
                    
          (VP 
            (VV 撤出)
                    
            (NP-OBJ 
              (CP 
                (WHNP-1 
                  (-NONE- *OP*))
                    
                (CP 
                  (IP 
                    (NP-SBJ 
                      (-NONE- *T*-1))
                    
                    (VP 
                      (VV 驻)
                    
                      (NP-PN-OBJ 
                        (NR 波兰))))
                    
                  (DEC 的)))
                    
              (NP-PN 
                (NR 苏军))))))))
                    
  (PU ，)
                    
  (IP 
    (NP-SBJ 
      (-NONE- *pro*))
                    
    (VP 
      (LCP-TMP 
        (LCP 
          (NP 
            (NT 一九九四年))
                    
          (LC 中))
                    
        (LC 以前))
                    
      (ADVP 
        (AD 全部))
                    
      (VP 
        (VV 撤完))))
                    
  (PU 。))
arg1: 
                    *pro* 
                
argm: 
                    一九九四年 中 以前 
                
argm: 
                    全部