<!doctype html>
<html>
    <head>
        <title>ontology</title>
        <meta charset="utf-8"/>
        <style>
            body {
                color: #808080;
                font-family: Helvetica, sans-serif;
                font-size: 16px;
                line-height: 24px;
            }
            a {
                color: #4040c0;
                text-decoration: none;
            }
            a:hover {
                text-decoration: underline;
            }
        </style>
    </head>
    <body>
        {TREE}
    </body>
</html>