Does Oprah Winfrey have a degree from an Ivy League university? Hmmm, my chain of thoughts:

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
Oprah Winfrey has received honorary doctorates from Duke and Harvard Universities. Harvard University is a member of the Ivy League. Final answer: yes.