Analyze the relationship between 'Starbucks' and 'coffee' within the context of the input sentence.
Options: product/material produced, legal form, publisher, business division

NEW YORK, July 23 Starbucks sees coffee costs as "somewhat unfavorable" through the rest of 2015, though this will be offset by dairy prices, Chief Financial Officer Scott Maw said in the company's second quarter 2015 earnings conference call on Thursday.
product/material produced