Where's My Pickle?

One of my favorite places for a quick lunch downtown is a cafe called Boopy's (not the real name). I always order the same lunch combo - a half panini with a bowl of soup. Then I sit down to wait for my order. And I start wondering if today there'll be a pickle. Sometimes I get a pickle, sometimes, no pickle. Today, I got a pickle, a cherry tomato AND a jalapeno! It nearly blew my mind. So what's behind the great pickle variability? Do they sometimes run out? Does it de