Last year, they consumed 90 million gallons of ready-to-drink coffee beverages, ranging from bottled Starbucks Frappuchinos to cartons of Stumptown cold brew, up 52 percent from 2009, data from Beverage Marketing Corporation show.
What is the relationship between 'Starbucks' and 'coffee' in the context of the input sentence.
Options: operator, product/material produced, distributed by, currency