 user can tell that the CAPTCHA requires completing a task and what type of task it is.</p>
      <p>When an alternate version of a CAPTCHA is available, the text alternative should include instructions about how to find the alternate version.</p>
   </section><section class="examples"><h2>Examples</h2>
      <ul>
         <li>A CAPTCHA test asks the user to type in text that is displayed in an obscured image. The text alternative is "Type the word in the image".</li>
         <li>A CAPTCHA test asks the us