Question. Which of the following sentences is nonsensical?
Options:
- Sentence A: "He called his friend on the lightbulb"
- Sentence B: "He called his friend on the phone"

Answer. Sentence A
What step-by-step reasoning justifies that 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
Reasoning: Lightbulb gives us light, it is not used for speaking.