A half of  a pizza on the tray 
a pizza on a pizza pan
this fast food establishment sells pizza
two slices of this pizza have been sold
Four slices of pizza are on the plate.
The tray is silver.
Two slices of tomato on pizza.
Pizza slices with black olives on them.
Pizza on a pizza pan
Pizza in a window
Vegetable on a pizza
Pizza on a silver pan
Pizza with tomatos on it
Vegetable pizza pie
pizza with toppings such as olives, tomatoes and more