<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
</head>
<body>
<form>
<label for="barca">Barcelona</label>
<input type="radio" name="team" id="barca" value="Barcelona">
<br />
<label for="real">Real Madrid</label>
<input type="radio" name="team" id="real" value="Real Madrid">
<br />
</form>
</body>
</html>