Give the rationale and then the answer. Yes / no, is the following a verifiable fact?
"If yams are not available, Sweet potato can be made by combining regular white potatoes and whipped cream."

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
Sweet potatoes are a different species of potato. The final answer: no.