Utilize the input text as a context reference, choose the right relationship between THORNTONS and chocolate 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.

THORNTONS - An offer by Nutella spread maker Ferrero to buy out investors in British chocolate retailer Thorntons has reached a take-up of nearly 75 percent, the head of the Italian confectionery group was Quote: d as saying.

Answer: product_or_material_produced