<form method="post" action="/Tests/Post">
<fieldset>
  <legend>What is Your Favorite Pet?</legend>
  <input type="radio" name="favorite_pet" value="Cats">Cats<br>
  <input type="radio" name="favorite_pet" value="Dogs">Dogs<br>
  <input type="radio" name="favorite_pet" value="Birds">Birds<br>
  <br>
  <input type="submit" value="Submit now">
  </fieldset>
</form>