Q: Is the following sentence factually correct?
"At a time, John D. Rockefeller contested for the position of Presidency."
Options:
- yes
- no
Chain-of-thought:

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
John D. Rockefeller never contested for positon of presidency. The answer: no.