Question: Pick which sentence is not logical.
Options:
- Sentence A: "He communicated with his friends by letter"
- Sentence B: "He communicated with his friends by newspapers"

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
Why would he communicate with his friends by newspapers? he could easily communicate with them in other ways. So the answer is Sentence B.