I fought with this for an hour. Had to paste it into dreamweaver to figure out what I was doing wrong.
In the default font (not sure if there is a way to change it), the '1's look almost identical to the 'l's.
'ol' makes an "ordered list", 'o1' makes an incorrect answer.
<h3>Most annoying TV celebrities</h3>
<h2>Top three things I can do for Mother's Day</h2>
<li>Raindrops on roses</li>
<li>Whiskers on kittens</li>
<li>Bright copper kettles</li>
<li>Warm woolen mittens</li>