Utilize the input text as a context reference, choose the right relationship between 'coffee roaster' and 'coffee' from the options.
Options: headquarters location, legal form, director/manager, product/material produced

Aug 31 German coffee roaster Tchibo lowered its retail prices for the first time in nearly two years on Monday, becoming the latest company to walk back recent price hikes amid tumbling green coffee prices as fears of drought in top-grower Brazil wane.
product/material produced