Question: SuperFresh is a supermarket brand owned by Key Food Stores Co-op, Inc., which has its headquarters located where?

Context paragraphs:
Key Food: Key Food Stores Co-op, Inc. is a cooperative of independently owned supermarkets, founded in Brooklyn, New York on April 20, 1937.  Its stores are found in Connecticut, New Jersey, New York, and Pennsylvania.  The headquarters for the Key Food cooperative is on Staten Island; the Chief Executive is Dean Janeway.  The cooperative also operates stores under the Key Food Marketplace, Key Fresh & Natural, Food Dynasty, Urban Market, Food World, Food Universe Marketplace, SuperFresh, and The Food Emporium banners.

Red Food: Red Food Stores, Inc. (or simply Red Food) was a supermarket chain company headquartered in Chattanooga, Tennessee.  It operated stores mostly in northwest Georgia, northeast Alabama, and southeast Tennessee.  Around 55 stores were operated in the same three states.  According to The Chattanoogan, Red Food was a longtime icon in Chattanooga history.

Jewel Food Stores (Australia): Jewel Food Stores, (better known simply as trading name Jewel) was an Australian discount supermarket and frozen goods chain of 130 stores, now defunct.  The company is now owned by Metcash and operates as IGA.  The chain was originally owned and operated by the Fleming family.  They are not related to the "Jewel" supermarket chain in the United States.

Food Marketing Institute: The Food Marketing Institute (FMI) is an American food marketing organization that conducts food safety, public affairs, education, research, and industry relations programs for food retailers and wholesalers.  FMI’s U.S. members operate nearly 40,000 retail food stores and 25,000 pharmacies, representing a combined annual sales volume of almost $770 billion.  Through programs in public affairs, food safety, research, education and industry relations, FMI offers resources and provides valuable benefits to more than 1,225 food retail and wholesale member companies in the United States and around the world.  FMI membership covers the spectrum of diverse venues where food is sold, including single owner grocery stores, large multi-store supermarket chains and mixed retail stores.

SavaCentre: SavaCentre was a chain of 13 hypermarkets and later a further seven discount supermarkets owned and operated jointly by Sainsbury's and BHS, beginning in 1977.  Sainsbury's later took full control of the stores alone in 1989, rebranding them as Sainsbury’s SavaCentre, until 2005 when the stores were integrated into the Sainsbury's supermarket brand.  The hypermarket stores ranged in size from 66,000 sqft to 117,000 sqft and the discount supermarkets ranged in size from 31,000 sqft to 70,000 sqft .  At the time of its inception, it was the only dedicated hypermarket chain in the UK.

Stanley Stores: Stanley Stores Inc. was a family-owned regional grocery store chain in the United States, with its headquarters in Bay City, Texas.  The chain operated three brands.  Stanley Stores was the conventional grocery store brand.  The "Houston Chronicle" said that the brands Price Lo Supermarkets and Foods "4" Less were "modern, warehouse-type food stores with large sales and cut-rate prices."  In 1994 Greg Hassel of the "Houston Chronicle" said that Stanley Stores was one of several "small area outfits" operating stores in the Houston area.

Super Fresh: SuperFresh is a supermarket brand owned by Key Food Stores which operates in suburban areas of New York City and Northern New Jersey.  The company currently operates 10 supermarkets.

Food For Less: Food For Less was an Australian discount supermarket chain owned by Woolworths Limited.  It was originally established in Queensland, where a discount 'food barn' chain operating as "Jack the Slasher" was acquired by Woolworths in the early 1980s.  It later expanded into New South Wales and became the low-cost supermarket chain for Woolworths, competing with Franklins No Frills and Coles' Bi-Lo.  The chain expanded on the purchase of 67 of the Franklins supermarket chain stores in New South Wales and Queensland by Woolworths.  The "No Frills" stores then became Food For Less stores with a more upmarket appearance (edging closer to that of Woolworths) and also launched a new logo at the same time.  It is positioned as a budget low-cost chain and while it mainly sells dry groceries and frozen perishables only, a small number of older stores also sell fruit and vegetables.  Since 2010 most stores have closed or been refurbished and converted into Woolworths.  As of April 2016 only 2 stores remain open, Roselands and Beresfield NSW.  The store in Maryborough QLD closed its doors in November 2016.  However, due to competition from Aldi, Woolworths have considered reviving the budget brand.

Giant-Carlisle: Giant Food Stores, LLC is an American supermarket chain that operates stores in Pennsylvania, Maryland, Virginia and West Virginia under the names of Giant and Martin's.  Giant is a subsidiary of Netherlands-based Ahold Delhaize.  Giant Food Stores are often referred to as Giant-Carlisle to distinguish it from sister company Giant-Landover.  A big difference between Giant of Landover and Giant of Carlisle is that the Landover Company is unionized while Giant of Carlisle is non union with the exception of stores in the Lewistown and Philadelphia areas of Pennsylvania.

Finast: Finast was a retail supermarket brand that existed in the northeastern United States until consolidating all its Northeast stores under the Edwards Super Food Store brand by its Dutch parent Royal Ahold in the mid-1990s.  Finast was an acronym for First National Stores.  Commonly referred to as "The First National," the chain operated under that name for decades, and ultimately created the Finast acronym for its store-brand products.  Several years later, most of its stores were renamed Finast during a modernization effort.

Supporting paragraphs: Super Fresh Key Food
Answer: Staten Island