Let's think step by step! One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "we can work in the night thanks to the electricity"
- Sentence B: "we can work in the night thanks to the sunlight"

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
The sun sets at night making it dark. The answer: Sentence B.