Set the style attribute to the declaration font-weight: bold; for the first p element.

<html>
<body>
<h1>Cool Things To Own Survey</h1>
<p style="font-weight: bold;">A time machine</p>
<p>A hydraulic press</p>
<p>Doctor House's cane</p>
<br>
<p style="font-size:10px;">Disclaimer: Disqualified items are shown in bold.</p>
</body>
</html>]]>

Make sure to pick style followed by = and then ", font-weight: bold;, ".