What is alcohol made from?
a the growth of bacteria which form lactase
b the fermented sugars found in grains and fruits
c yeast converting the proteins in fruits into ethyl alcohol
d bacteria converting the carbohydrates in grains into ethyl alcohol

c or b

just think wine is made from fermented fruit while beers are from barley and other grains

the fermented sugars found in grains and fruits

the last statement is correct i.e.

when your heart is not pumping enough blood around your body because your heart is severely failing, you may need an artificial heart. an artificial heart is a mechanical device, about the size of an orange, that is connected to your heart or implanted in your chest to or replace a failing heart.