Which of these sentences doesn't make sense?
Options:
- Sentence A: "Drinking and driving are very dangerous things."
- Sentence B: "Drinking and driving is a very safe thing."
 Let me think hard. Detailed solution:

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
Drinking and driving are not safe for anyone because it leads to impairment.
The answer is Sentence B.