Question: Which pizza franchise originated in Ohio, Zpizza or Cassano's Pizza King?

Context paragraphs:
Zpizza: zpizza (originally called z pizza and commonly known as z) is a pizza franchise based in Newport Beach, California.

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.

Rabbe Grönblom: Rabbe Anders Grönblom (May 3, 1950 Helsinki, Finland – June 29, 2015) was a Finland-Swedish businessman who started a successful pizza business in Vaasa, Finland.  His first company—a pizzeria—was called "O sole mio" and it was founded in 1976 in the center of Vaasa.  From there he expanded to a pizza franchise chain first called "Pizzeria N:o 1".  He was known as the "Pizza-emperor" (Pizzakeisari in Finnish), because he was the founder of a well known pizza franchise chain called Kotipizza which was the new name of "Pizzeria N:o 1" which expanded fast outside of Vaasa.  The chain is said to be the biggest one in the Nordic countries.  He was also the founder of a shipping company called RG Line, a hotel chain called Omenahotelli and another pizza chain called Golden Rax Pizzabuffet.  Most of his companies are subsidiaries of Grönblom International LTD, where Rabbe Grönblom acted as director.  Golden Rax Pizzabuffet however is nowadays a part of Finland's largest hotel & restaurant company Restel Oy Ltd, where Rabbe Grönblom sat on the board.  He was also on the board of the Finnish tyre company Nokian Renkaat (since 2003).

Pizza Etang: Pizza Etang (hangul:피자에땅) is a pizza franchise company.  Headquartered in Seoul, Korea, it was established in 1998.  It is a restaurant chain specialized in making Original Italian Food: Pija, on which Italian and American pizza drew inspiration from.

Aurelio's Pizza: Aurelio's Pizza is an Illinois restaurant chain which centers its business around the thin crust variety of Chicago-style pizza.  Aurelio's Pizza has three corporate owned stores and 37 franchised locations in 6 states.  Aurelio's Pizza is the oldest Chicago pizza franchise restaurant, franchising since 1974.

Cassano's Pizza King: Cassano's Pizza King, currently operating under the brand Cassano's, is a pizzeria chain based in Kettering, Ohio, a suburb of Dayton.  Established on June 4, 1953, by the Kettering grocer Victor "Vic" J. Cassano, Sr. (June 4, 1922 – January 1, 2002) and his mother-in-law Caroline "Mom" Donisi, the company currently (2005) operates 34 Cassano's Pizza King restaurants in the Dayton area, and has three other western Ohio franchises (in Russells Point, Fairfield and Sidney), plus a franchise in Quincy, Illinois, and another in Hannibal, Missouri.  The company also operates dozens of Cassano's Pizza Express kiosks in gas stations, convenience stores and hotels, and sells frozen pizza dough under the name Cassano's Fresh Frozen Dough Company.

Mr. Jim's Pizza: MrJims.Pizza is a U.S. chain of pizza restaurants based in Farmers Branch, Texas.  Jim Johnson opened the first restaurant in Detroit, Michigan in 1975.  There are currently 42 locations in Louisiana, Texas, North Carolina, Nevada and Wyoming, with the majority located in northern Texas.  MrJims.Pizza is widely known for their crust.  Their hand stretched pizza dough is made fresh in the store daily from flour containing 100% spring wheat.  Every single MrJims.Pizza franchise has online ordering capabilities.  In 2006, MrJims.Pizza introduced a unique new item, Nacho Stix, to their menu.  It quickly became one of their bestsellers, and lead to a resurgence in the popularity of MrJims.

Fox's Pizza Den: Fox's Pizza Den is a pizzeria chain based in Murrysville, Pennsylvania, United States.  It was founded in 1971 by Jim Fox in Pitcairn, Pennsylvania, and currently has more than 250 locations in 28 U.S. states, all franchise-owned.  Fox's Pizza Den has consistently ranked among the Top 25 pizza chains in the world.  The Small Business Administration named Jim Fox as one of the country's top entrepreneurs during National Small Business Week, May 5–11, 2002.  Since that time, many Fox's Franchises have closed due to a poor business model.  The alarming rate of failure lead to the SBA discontinuing the lending of money for Fox's Franchises.  Fox's Pizza was ranked "Best Pizza Franchise" in 2007.

Pizza Ranch: The Pizza Ranch, Inc., founded in 1981, is a "fast casual" restaurant chain.  Pizza Ranch offers pizza, chicken, a salad bar, and a pizza and chicken buffet.  Pizza Ranch has over 200 locations in Colorado, Illinois, Iowa, Kansas, Michigan, Minnesota, Missouri, Montana, Nebraska, North Dakota, South Dakota, Wisconsin, and Wyoming.  Pizza Ranch is the largest regional pizza franchise in Iowa, Minnesota, North Dakota, and South Dakota.

Sir Pizza: Sir Pizza is an United States chain of pizza restaurants.  Wendell Swartz opened the original restaurant in Lafayette, Indiana in 1957 under the name of Pizza King.  Sir Pizza was incorporated in 1965.  In 1966, Robert Swartz, Wendell's brother, expanded Pizza King outside of Indiana under the name of "Sir Pizza".  In Indiana, they are franchised under the "Pizza King" name, one of two chains in Indiana using that name.

Supporting paragraphs: Zpizza Cassano's Pizza King
Answer: Cassano's Pizza King