<?xml version="1.0" encoding="utf-8" ?>
<root xmlns="http://schema2" 
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <scoreGroup key="PCA">
    <score key="hello">Blah</score>
    <score key="hello2">Blah2</score>
  </scoreGroup>
  <scoreGroup key="LDA">
    <score key="hello">Blah</score>
  </scoreGroup>
</root>