Utilize the input text as a context reference, choose the right relationship between 'Starbucks' and 'coffee' from the options.
Options: distribution format, product/material produced, position held, chief executive officer

Sept 24 Starbucks Corp, the world's biggest coffee chain, promised to raise the average wage for its UK staff to just under 8 pounds ($12.18) an hour from November regardless of age, the Financial Times reported.
product/material produced