A chef standing behind a large pan of pepperoni pizza with one-fourths of the pizza missing .
They are making pizza .
A chef standing behind a large pan of pepperoni pizza with one-fourths of the pizza missing.
They are making pizza.
They are making pizza refers to a chef standing  behind a large pan of pepperoni pizza with one-fourths of the pizza missing.
They are making pizza refers to a chef standing behind a large pan of pepperoni pizza with one-fourths of the pizza missing .