<ul>
  <li>Accommodation 
    <ul>
      <li><a href="http://www.nus.edu.sg/osa/housing/guest.htm">Guest Rooms</a></li>
      <li><a href="http://www.nus.edu.sg/osa/housing/">Student Accommodation</a></li>
      <li><a href="http://www.nus.edu.sg/oed/services/housing/vlodge/visitorslodge.htm">Visitors' Lodge</a></li>
    </ul>
  </li>
</ul>