<?xml version="1.0" encoding="UTF-8"?>
<chart>
  <series>
    <value xid="0">Learning Preference</value>
  </series>
  <graphs>
    <graph gid="3">
      <value xid="0">55</value>
    </graph>
    <graph gid="2">
      <value xid="0">69</value>
    </graph>
    <graph gid="0">
      <value xid="0">91</value>
    </graph>
    <graph gid="1">
      <value xid="0">55</value>
    </graph>
  </graphs>
</chart>