a) What's on the breakfast tray?
1)There is a glass of milk on the breakfast tray.
2) There is some butter on the breakfast tray.
3) There are some pieces of bread on the breakfast tray.
4) There is a bowl of cereal on the breakfast tray.
b) What's in the pizza?
1)There is a tomato in the pizza.
2)There are some olives in the pizza.
3)There is an onion in the pizza.
4)There's a pepper in the pizza.