>
            							     
         </li>
         
      </ul>
      
   </section>
   
   <section id="techniques">
      <h2>Techniques for Audio-only and Video-only (Prerecorded)</h2>
      
      
      <section id="sufficient">
         <h3>Sufficient Techniques for Audio-only and Video-only (Prerecorded)</h3>
         
         
         <section class="situation" id="audio-only-and-video-only-prerecorded-situation-0">
            
            <h4>Situation A: If the content is prerecorded audio-only