Give the rationale and then the answer. "Commas should be used to mark the end of a sentence."
Is the above claim true?
Options:
- yes
- no

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
Commas are used in the middle of a sentence, not at the end. The final answer: no.