Given following HTML:
<html>
<head>
</head>
<body>
<div>
<article>
<p>Hello World</p>
</article>
</div>
</body>
</html>
how can I get ?
<html>
<head>
</head>
<body>
<article>
<p>Hello World</p>
</article>
</body>
</html>