Pretend you are the sorting hat. Which house would Missy, Amy, you, and I be in? In addition, what are our patronuses?* You may repeat houses (ie, have more than one of us in the same house), but obviously not patronuses.
(*I never promised my questions would be original).
To get you started, and also because I think it’s hilarious, here’s the Glee kids (the only change I’d make is to have Finn be a squiB):