Aug 10 (Reuters) - Dean Foods Co's steeper-than-expected decline in quarterly sales and surprise departure of its chairman ahead of the earnings report sent shares of the largest U.S. milk processor down as much as 18 percent on Monday.
Utilize the input text as a context reference, choose the right relationship between 'Dean Foods' and 'milk' from the options.
Options: product/material produced, owned by, owner of, operator