Google must think I'm really religious

I decided to add advertising to my blog, largely, frankly, to learn more about how Google adsense works and how people respond to it. I thought it was fascinating that somehow Google figured I or my readers must be really religious, because the site was immediately populated with Bible ads, including one for the Gospel of John. Well, at least that's my name, but I know the readers of this blog know it doesn't have anything to do with gospel. Wandering the desert maybe...