You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Provel is a white processed cheese particularly popular in St. Louis cuisine, that is a combination of cheddar, Swiss, and provolone cheeses, it is the traditional topping for which distinct type of pizza popular in the Midwestern American city of St. Louis, Missouri and surrounding areas?" whose answer is St. Louis-style pizza.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Provel cheese pizza St. Louis
Useful Output:

Doc 1: The super crispy crust is also completely topped with sauce, cheese and toppings leaving it no discernable crust to grab on to. Additionally,
Doc 2: The Cheese. Traditionally, St. Louis-style pizza uses a proprietary 3-cheese blend called Provel. Pizza bylaws prevent us from revealing the
Doc 3: The original delivery look. Imo's was the first to deliver pizza to your door in STL—and yeah, we did it with these beauties.
Doc 4: cracker crust is a great vehicle for tons of toppings, but the provel (aka the trashy cousin of American and nacho cheese) is where this pizza
Doc 5: Dutch Guidici, 50, slices a “Deluxe” St. Louis-style pizza topped with sausage, mushrooms, onions, green pepper, bacon, and Provel cheese on