Question: Russo's New York Pizzeria and Marion's Piazza, both are a restaurant chain, what type?

full_context: Document 1: Pie Five: Pie Five Pizza Co. is a fast casual restaurant chain specializing in handcrafted personal pizza made in less than 5 minutes. The brand is owned by Rave Restaurant Group, which also owns Pizza Inn. As of December 2016, Pie Five has 98 restaurants in the following locations: Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Kansas, Maryland, Minnesota, Missouri, Nebraska, North Carolina, Oklahoma, Tennessee, Texas, Utah, Kentucky, Virginia and Washington, D.C. with more than 400 additional company-owned and franchise units anticipated.
Document 2: Uno Pizzeria &amp; Grill: Uno Pizzeria & Grill (formerly Pizzeria Uno and Uno Chicago Grill), or more informally as Unos, is a franchised pizzeria restaurant chain under the parent company Uno Restaurant Holdings Corporation. Uno Pizzeria and Grill is best known for its Chicago-style deep dish pizza. Ike Sewell opened the first Pizzeria Uno in 1943.
Document 3: Pizza Time of St. Augustine: Pizza Time is a pizzeria located in St. Augustine, Florida considered the second-highest rated pizzeria in the United States as of 2015 after Juliana's Pizza. The pizzeria opened in 2005 by Domenico Conslignarnio.
Document 4: Hungry Howie's Pizza: Hungry Howie's Pizza & Subs, Inc., also known as Hungry Howie's Pizza, is a franchise and the 11th largest pizza chain in the United States, with over 550 locations. Hungry Howie's products include pizza, calzone-style subs, chicken wings and tenders, bread, salads, and brownies. Its headquarters are located in Madison Heights, Michigan in Metro Detroit.
Document 5: Your Pie: Your Pie is an American fast casual pizza concept, that was started in Athens, Georgia in 2008 by Drew French, and operates as a restaurant franchise with 58 locations across the United States. Your Pie provides customizable 10-inch pizzas and build-your-own panini sandwiches and bread bowl salads. Your Pie uses brick ovens to cook pizzas at a high temperature for a short amount of time. Gelato (Italian ice cream), craft beer and wine are also available. The interior décor differs from store to store, but all locations blend “old Italian” style with a modern, artistic approach.
Document 6: Pizza Hut: Pizza Hut is an American restaurant chain and international franchise founded in 1958 by Dan and Frank Carney. The company is known for its Italian-American cuisine menu including pizza and pasta, as well as side dishes and desserts. Pizza Hut has over 15,000 locations worldwide as of 2015, and is a subsidiary of Yum! Brands, Inc., one of the world's largest restaurant companies.
Document 7: Marion's Piazza: Marion's Piazza is a pizzeria chain based in Dayton, Ohio. Established in 1965 by Marion Glass, the company currently operates 9 restaurants throughout the greater Dayton area. Marion's is renowned for its unique style of pizza, characterized by its traditional preparation and small square slices. The chain is intensely popular with Dayton locals and has been awarded the title of "Best Pizza" 2 times.
Document 8: Regina Pizzeria: Regina Pizzeria, also known as Pizzeria Regina, and originally called Regina Pizza, is a regional pizza chain in New England. The company was founded in 1926 by Luigi D'Auria in Boston's North End neighborhood. It has been run by the Polcari family since 1956. The chain is a part of Boston Restaurant Associates and is headquartered in Lynnfield, Massachusetts.
Document 9: Rosati's: Rosati's Pizza is the second largest local chain of restaurants in the Chicago metropolitan area, (behind only Portillo's). The Rosati's Pizza franchise now consists of 158 locations with 25 being Rosati's Pizza Sports Pubs. Rosati's locations offers Chicago Deep Dish, Thin Crust, Double-Dough Pizzas, Calzones, a variety of pastas, sandwiches, salads, desserts along with catering.
Document 10: Chicago Franchise Systems, Inc.: Chicago Franchise Systems, Inc. franchises operates Italian-based Chicago-style restaurants in Illinois, Georgia, California and Missouri which specialize in Chicago-style cuisine They have operated since 1990, when they took over the popular Nancy's Pizza chain of pizzerias. Nancy's itself was started in 1971 by Nancy and Rocco Palese, a couple who claims to have invented the concept of stuffed pizza. Today, there are 36 Nancy's locations in Chicago metropolitan area, as well as two location in the Atlanta, Georgia area, and one in the Los Angeles, CA area. CFS, Inc. operates Al's Beef, a popular Italian beef restaurant that is extremely well known in downtown Chicago and is regarded as one of the best beef sandwiches in the country. CFS, Inc. just launched Doughocracy Pizza + Brews, a fast casual pizza place that gives customers the "Freedom to Choose" their own toppings on a hand stretched pizza crust that can be paired with local craft beers. There are two Doughocracy restaurants, one in Geneva, Illinois and one in University City, Missouri, a suburb of St. Louis.
Document 11: Marco's Pizza: Marco’s Pizza, operated by Marco's Franchising, LLC, is a restaurant chain and interstate franchise based in Toledo, Ohio, that specializes in Italian-American cuisine. The first store is in Oregon, Ohio, at Starr Avenue and Wheeling Street. It was founded by Italian immigrant Pasquale “Pat” Giammarco in 1978.
Document 12: Pietro's Pizza: Pietro's Pizza is a small pizza chain in the U.S. state of Oregon. Founded in 1957, the chain grew to about 80 restaurants and changed owners several times before shrinking to only four stores. The company is based in Milwaukie, Oregon.
Document 13: Russo's New York Pizzeria: Russo’s New York Pizzeria is based in Houston, Texas and was established in 1992 by Anthony Russo. The chain serves New York-style pizza as well as several different types of soups, salads, pastas, calzones and dessert. They are famous for their "party pizzas," which are 2 ft in diameter.
Document 14: Greek pizza: This style of pizza may be referred to as "Greek pizza" even when it has non-Greek toppings, since it is typical of pizzerias owned by Greek immigrants. (These pizzas are similar to the pizzas served in Italian-style restaurants in Greece itself.) These establishments often also sell Greek specialties, such as Greek salads and gyros, and tend to brand themselves as "Pizza and Pasta" or as a "House of Pizza"; a code signifying that it is not an Italian restaurant, but a Greek restaurant serving Italian-style food. In the United States, the latter usage is common in New England cuisine.
Document 15: Papa's Tomato Pies: Papa's Tomato Pies is a historic pizzeria selling tomato pies in New Jersey. It was founded by Giuseppe "Joe" Papa in 1912 on South Clinton Avenue in Trenton, New Jersey. Papa's is the oldest family owned and longest continuously operating pizzeria in the United States. Papa's is the second oldest pizzeria in the United States after Lombardi's Pizza, however Lombardi's closed for a decade from 1984 to 1994 and was reopened under new management.
ground_truth: pizzeria