In the context of the input sentence, determine the relationship between 'Starbucks' and 'coffee'.
Options: location of formation, publisher, distribution format, product/material produced

In trading after the closing bell, Starbucks Corp ( SBUX.O ) shares rose more than 3 percent to $16.14 after the coffee store operator said it is increasing planned store closures and will cut as many as 12,000 jobs.
product/material produced