Give the rationale and then the answer. Yes / no, is the following a verifiable fact?
"John James Audubon possessed an allergy against celery."

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
I think the sentence is false because there is no evidence that John in fact had an allergy. There would need to be a record for it to be deemed true now. The final answer: no.