Final answer:
The statement that is NOT true about potato vodka is: 1) it is the original Russian vodka, dating back to the Middle Ages.
So The correct answer is Option 1)
Step-by-step explanation:
Contrary to the claim in option 1, potato vodka is not the original Russian vodka dating back to the Middle Ages. Traditional Russian vodka was historically made from grains, particularly wheat or rye.
Potato vodka gained popularity later as an alternative, but it was not the original form. Therefore, option 1 is not true, making it the correct choice as the statement that is NOT true about potato vodka.
The correct answer is Option 1) it is the original Russian vodka, dating back to the Middle Ages