1 <?xml version="1.0"?>
   2 
   3 
   4 <us:screen-names xmlns:us="http://hibid.com/screenName">
   5                 xmlns="http://hibid.com/screenName">
   6   <us:screen-name>
   7   <us:userName xmlns:us="http://hibid.com/user"> tom  </us:userName>
   8   <userNo>10 </userNo>
   9   </us:screen-name>
  10 </us:screen-names>