Utilize the input text as a context reference, choose the right relationship between Spinneys and Dubai from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Dubai is the offshore territory where Food For Health sells most, through the Spinneys supermarket chain, for whose newsletter Plapp writes regular diet advice, and explains some of her more exotic ingredients like slippery elm, amaranth and teff.

Answer: headquarters_location