{"document-root":{
   "employees":{
       "employee":[{
            "contact-info":{
               "work-address":{
              "work-address-id":"a101"
           }
             }
    }
    ]
   },
   "addresses":{
       "address":[
         {"aid":"a100"},
         {"aid":"a101"},
         {"aid":"a102"}
       ]
   }
}
}