<?xml version="1.0" encoding="UTF-8"?>
<root>
    <child id="1">
        <subchild type="A">Content A</subchild>
        <subchild type="B">Content B</subchild>
    </child>
    <child id="2" extra="data">
        <subchild type="C">Content C</subchild>
    </child>
</root>
