a pizza sliced in half
melted cheese on pizza
a delicious pizza sliced in half on a baking sheet
half of a pizza with a crispy crust
half of a pizza with red tomato sauce
Two pizza halves on cookie sheet
Cookie sheet with two pizza halves
The pizzas are on a tray.
There are two pizzas. 
The pizzas are cooked.
There is cheese on the pizza.
The tray is on a stove
a homemade pizza sitting on top of a pan