Both the wine industry and the bread industry use the process of alcoholic fermentation. In what way does their use of alcoholic fermentation differ?

a) The wine industry uses alcohol to make the wine; the bread industry uses carbon dioxide to make the bread dough rise.
b) The wine industry uses carbon dioxide to make the wine; the bread industry uses alcohol to make the bread dough rise.
c) The wine and bread industry uses alcohol, but carbon dioxide is a waste product only found in lactic acid fermentation.
d) They do not differ, both products are used equally by these two industries.