Gourmet coffee shops are opening quickly and java giant Starbucks Corp. SBUX 0.03 % plans to grow from 1,700 stores on the mainland to 3,400 by 2019.
Refer to the input text as context and select the correct relationship between 'Starbucks' and 'coffee' from the available options.
Options: stock exchange, owner of, owned by, product/material produced