Welcome to Dinner!
If Jane is coming: 2 slices of mushrooms, onions, peppers, and olives
If Lisa is coming: 3 slices of pepperoni, ham, and pineapple
If Taylor is coming: 3 slices of extra cheese, pepperoni, sausage, and bacon
If Chris is coming: 2 slices of mushrooms, sausage, bacon, ham, onions, and peppers
If Alyssa is coming: 1 slice of pepperoni, and bacon
If Will is coming: 2 slices of extra cheese, sausage, baconm hamm pineapple, onions, and peppers
If everyone is coming: Get plain pizza or an agreed topping
If nobody is coming: 0 slices of pizza