<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<group
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:noNamespaceSchemaLocation="group.xsd"
  id="1" name="Students" responsable="1">
 
 <users>
 	<user id="1"/>
 	<user id="2"/>
 </users>
 
 <problems>
 	<problem id="8"/>
 </problems>
	 
</group>
