Q: Can brewing occur in a prison environment? Now, let's think step by step:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Pruno is a product made almost exclusively in prisons. Pruno is a fermented beverage that is made of fruit to produce alcohol.
The answer: yes.