Utilize the input text as a context reference, choose the right relationship between DFS and furniture 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.

DFS describes itself as "the clear market leading retailer of upholstered furniture in the United Kingdom" .

Answer: product_or_material_produced