Q: Which of these sentences doesn't make sense?
Options:
- Sentence A: "They have nuclear weapons to hurt themselves."
- Sentence B: "They have nuclear weapons to stay safe."

Let's solve this 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
You don't make nuclear weapons to harm yourself or those you want to protect. The answer is Sentence A.