在我的html5表单中添加reCAPTCHA

im trying to add a reCAPTCHA to my html5 form but i dont know how to make it allign properly. in html4, with tables its easy but im trying to stick to the new html5 form standards. i dont know what to wrap the php in so that it will appear next to Are you human and under message field whats on your mind.

complete form =

<section><div class="form" id="contact">
    <h1>Send an email</h1>
    <form action="files/post.php" method="post">
    <input type="hidden" name="recipient" value="">
        <fieldset>
            <label for="name">Name:</label>
            <input type="text" id="name" placeholder="Enter your full name" />

            <label for="email">Email:</label>
            <input type="email" id="email" placeholder="Enter your email address" />

            <label for="date">Date:</label>
            <input type="date" id="date" placeholder="Enter the date of the event" />

            <label for="tel">Tel:</label>
            <input type="tel" id="tel" placeholder="Enter your Telephone Number" />

            <label for="message">Message:</label>
            <textarea id="message" placeholder="What's on your mind?"></textarea>

            <label for="message">Are you Human?</label>
          <?php
          require_once('recaptchalib.php');
          $publickey = "6Lf27scSAAAAALfYQeflC11-0lcRf8DVU42H69nC"; // you got this from the signup page
          echo recaptcha_get_html($publickey);
          ?>

            <input type="submit" value="Send message" />

        </fieldset>
    </form>