xml parsing of post record

I have find the today's post manual or auto from fetchxml query. Now I gor the Text xml values of the post Text. How to format this into correct way like wall. I want to email it the post data.

(1) 
<?xml version="1.0" encoding="utf-16"?>
<pi id="Contact.CaseCreate.Post" icon="0" ya="1">
    <ps>
        <p type="1" otc="8" id="2f6ae59e-6e55-e511-80e1-3863bb341af0">Anil</p>
        <p type="1" otc="112" id="63fcfae2-ba77-e511-80e2-3863bb2e0660">TEST</p>
        <p type="1" otc="2" id="03b7e304-785b-e511-80dc-3863bb2e0660">Test Case</p>
        <p type="0" otc="112" />
        <p type="0" otc="2" />
    </ps>
</pi>

(2)

<?xml version="1.0" encoding="utf-16"?>
<pi id="CaseAssign.Post" icon="0">
    <ps>
        <p type="1" otc="112" id="74db639d-b177-e511-80e2-3863bb3ce590">Test</p>
        <p type="1" otc="8" id="ee223c51-23b9-4e49-9513-8efb49fbd929">Anil</p>
        <p type="1" otc="8" id="afaaa1f0-84a5-4e21-9fd4-582f9143d28e">SYSTEM</p>
    </ps>
</pi>

(3) 

<?xml version="1.0" encoding="utf-16"?>
<pi id="Contact.CaseCreate.Post" icon="0" ya="1">
    <ps>
        <p type="1" otc="8" id="2f6ae59e-6e55-e511-80e1-3863bb341af0">Anil</p>
        <p type="1" otc="112" id="72ddf1e9-b177-e511-80e2-3863bb3ce590">Test entries</p>
        <p type="1" otc="2" id="752a8573-2f68-e511-80e2-3863bb35cf80">Test User</p>
        <p type="0" otc="112" />
        <p type="0" otc="2" />
    </ps>
</pi>