Q: Which of the following sentences is nonsensical?
Options:
- Sentence A: "His elephants speed is 185 kilometers per hour."
- Sentence B: "His car's top speed is 185 kilometers per hour."

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
An elephant is too heavy to run 185 kilometres per hour. The answer is Sentence A.