Question: Pick which sentence is not logical.
Options:
- Sentence A: "A one-legged person needn't boot"
- Sentence B: "A one-legged person needs only one boot."

Please answer this question gradually:

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
Whether or not one should "boot" has nothing to do with whether the person has one leg or two. So the answer is Sentence A.