As a pizza chef, you'll likely spend a good portion of your day slicing and dicing toppings for your pies. People enjoy all kinds of toppings on their pizzas. Some vegetables that often top pizzas are peppers, olives, and mushrooms. Pizzas topped with meats such as pepperoni, sausage, or bacon are also popular. Some people like Hawaiian pizza, which is pizza covered with ham and pineapple. Despite its name, this pizza has nothing to do with these Pacific islands. In fact, the pineapple fruit is native to Brazil. And the idea of using ham and pineapple on pizza? That is believed to have developed in Germany.
What is the purpose of the sentence "Some vegetables that often top pizzas are peppers, olives, and mushrooms"?