Utilize the input text as a context reference, choose the right relationship between Starbucks and coffee 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.

Gourmet coffee shops are opening quickly and java giant Starbucks Corp. SBUX 0.03 % plans to grow from 1,700 stores on the mainland to 3,400 by 2019.

Answer: product_or_material_produced