What is the most semantically accurate way to make up a main navigation bar, displayed in a horizontal direction?
<nav> <a href="index.html">Home</a> <a href="about.html">About</a> <a href="contact.html">Contact</a> </nav>
<nav> <ol> <li><a href="index.html">Home</a></li> <li><a href="about.html">About</a></li> <li><a href="contact.html">Contact</a></li> </ol> </nav>
<p> <a href="index.html">Home</a> <a href="about.html">About</a> <a href="contact.html">Contact</a> </p>
<nav> <ul> <li><a href="index.html">Home</a></li> <li><a href="about.html">About</a></li> <li><a href="contact.html">Contact</a></li> </ul> </nav>