PHP strpos and strlen Bypass

This is from a CTF event that has ended, but a writeup has not been done for it yet, and I'm quite curious as to how it would be done.

With this code:

$a = $_GET["pl"];
if(isset($a)) {
    if(strpos($a,"ans") !== false  && strlen($a) < 2) {

What value for $a would pass both of those if statements?