Give the rationale and then the answer. "The Hagia Sophia has served as a place for both Christian and Muslim worship."
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
The Hagia Sophia is famous for being a church that was then converted into a mosque. The final answer: yes.