Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "There are aliens on the moon"
- Sentence B: "There is no life on the moon"
 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
So far, there is absolutely zero evidence of life on our moon, past or present. Final answer: Sentence A.