(IP 
  (IP-ADV 
    (NP-SBJ 
      (-NONE- *pro*))
                    
    (VP 
      (ADVP 
        (AD 平均))
                    
      (VP 
        (MSP 来)
                    
        (VP 
          (VV 说)))))
                    
  (PU ，)
                    
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (DP-ADV 
      (DT 每)
                    
      (CLP 
        (M 年)))
                    
    (ADVP 
      (AD 约))
                    
    (VP 
      (VE 有)
                    
      (IP-OBJ 
        (NP-SBJ 
          (QP 
            (CD 一万四千)
                    
            (CLP 
              (M 个)))
                    
          (DNP 
            (PP 
              (P 在)
                    
              (LCP 
                (NP 
                  (NN 轮候册))
                    
                (LC 上)))
                    
            (DEG 的))
                    
          (NP 
            (NN 家庭)))
                    
        (VP 
          (VRD 
            (VV 获)
                    
            (VRD 
              (VV 编配)
                    
              (VV 到)))
                    
          (NP-OBJ 
            (NN 租住)
                    
            (NN 单位)))))))
arg2: 
                    一万四千 个 在 轮候册 上 的 家庭 
                
arg1: 
                    租住 单位