Question: Are the headquarters of Mellow Mushroom and Gatti's Pizza in the same city?

Context paragraphs:
Pizza capricciosa: Pizza capricciosa ] is a style of pizza in Italian cuisine prepared with mozzarella cheese, Italian baked ham, mushroom, artichoke and tomato.  Types of edible mushrooms used may include cremini, white mushrooms, and others.  Some versions may also use prosciutto (a dry-cured ham), marinated artichoke hearts, olive oil, olives, basil leaves and egg.  Some versions may be prepared using a thin crust.

Gatti's Pizza: Gatti's Pizza (formerly Mr. Gatti's) is a Southeastern United States pizza-buffet chain.  Gatti's Pizza, founded in 1964 is owned by Blue Sage Capital, a private equity investment firm.  The corporate offices are in Austin, Texas.

Joe Gatti: ""Lightning"" Joe Gatti (born 12 April 1967) is a Canadian former middleweight boxer who fought out of Jersey City, New Jersey.  He is the older brother of former world boxing champion, Arturo Gatti.

Campamento (Chile): A campamento ("camp" or "tent city") or población callampa ("mushroom town") are terms given in Chile to shanty towns.  The term "mushroom town" refers to the speed in which these informal settlements sprung up between the 1960s and the 1980s, literally overnight.  Nowadays the term "campamento" has replaced "mushroom town".

Mushroom festival: A mushroom festival is a food festival in which mushrooms are featured.  There are numerous mushroom festivals held annually in Telluride, Colorado; Kennett Square, Pennsylvania; Morel Mushroom Festival held in Harrison, Michigan and Boyne City, Michigan, the Fantastic Forage Mushroom Festival held in Laconia, NH, and the Mushroom Mardi Gras Festival held in Morgan Hill, California, Lacey, Washington

Mellow Mushroom: Mellow Mushroom Pizza Bakers is a restaurant chain that was established in 1974 in Atlanta, Georgia as a single pizzeria.  It operates as a franchise under the banner of Home Grown Industries, Inc. of Georgia, with over 150 locations throughout the United States.  Its headquarters are in Atlanta, Georgia.

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.

Iranian pizza: Iranian pizza or Persian pizza (Persian: "Pitzaye Irani" ; پیتزای ایرانی‎ ‎ ) refers to a style of pizza and its preparation rather than its toppings.  Iranian pizza is served in Iran or in the Iranian diaspora.  It is usually made with beef sausage, bell pepper, mushroom, mozzarella cheese, and Persian spices.

Kennett Square, Pennsylvania: Kennett Square is a borough in Chester County, Pennsylvania, United States.  It is known as the Mushroom Capital of the World because mushroom farming in the region produces over a million pounds of mushrooms a week.  To celebrate this heritage, Kennett Square has an annual Mushroom Festival, where the town shuts down to have a parade, tour mushroom farms, and buy and sell food and other goods.  It is also home to the corporate headquarters of Genesis HealthCare which administers elderly care facilities.  The local high school is Kennett High School.  Its population was 6,072 at the 2010 census.

Pizza Pizza: Pizza Pizza Ltd. is a franchised Canadian pizza fast-food restaurant, with its headquarters in Etobicoke, Toronto.  Its restaurants are mainly in the province of Ontario.  Other locations operate in Quebec, Nova Scotia, and in western Canada.  Franchises in western Canada are mostly run through Alberta-based subsidiary Pizza 73, and in non-traditional locations such as university campuses and movie theatres throughout Canada.  It has over 500 locations, including over 150 non-traditional locations.

Supporting paragraphs: Mellow Mushroom Gatti's Pizza
Answer: no