When she asked what else could the meat be, Monika was more or less joking. But even if it had been a serious question, the other girl's answer wasn't quite what she was expecting. Luckily she had been here for awhile and knew that Hell existed in some places, so her stunned silence only lasted a second.
"Oh. Well, I don't actually eat meat, but I'm pretty sure there's no human remains in the burgers here."