<?xml version="1.0" encoding="UTF-8"?>
<a xmlns="http://www.example.com/A" xmlns:two="twoURI" xmlns:ns0="http://www.example.com/B" xmlns:one="oneURI">
    <ns0:b>
        <ns0:one>
            <two:three>C</two:three>
        </ns0:one>
    </ns0:b>
</a>