<scene>
  <nodes>
    <shape>
      <material>
        <lambert name="red" diffuseColor="1.0 0.0 0.0"/>
      </material>
      <geometry>
        <sphere />
      </geometry>
    </shape>
  </nodes>
  <camera>
    <camera eye="0 0 -5" target="0 0 0" up="0 1 0" />
  </camera>
  <lights>
    <light position="0 5 0" color="1 1 1" />
  </lights>
</scene>