<?xml version="1.0" encoding="UTF-8"?>
<wsp:Policy xmlns:wsp="http://www.w3.org/ns/ws-policy"
    xmlns:pa="http://ws-policy.example.com/assertion" >
    <wsp:ExactlyOne>
        <wsp:All>
            <pa:Assertion60 marker="60" />
            <pa:Assertion31 marker="31" />
            <pa:Assertion2 marker="2" />
            <pa:Assertion1 marker="1" />
        </wsp:All>
    </wsp:ExactlyOne>
</wsp:Policy>