See question below:
One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "There are fertile fields in the Yangtze River Delta."
- Sentence B: "There are fertile fields in the desert."

Reason slowly and give your answer.

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 desert is so hot that the soil has lost water and nutrition.
The final answer: Sentence B.