In this example, according to cascading and specificity rules, what color will the link be?

In this example, according to cascading and specificity rules, what color will the link be?
.example {color: yellow;}
ul li a {color: blue;}
ul a {color: green;}
a {color: red;}

<ul>
<li><a href=”#” class=”example”>link</a></li>
<li>list item</li>
<li>list item</li>
</ul>

• blue
• red
• yellow
• green