Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "Flower tea is fermented tea."
- Sentence B: "Black tea is fermented tea."
 Let's reason 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
Flower tea is fried by mixing flowers and tea. Final answer: Sentence A.