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.
Refer to the input text as context and select the correct relationship between 'Starbucks' and 'coffee' from the available options.
Options: operator, product/material produced, currency, distributed by