This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Siuins are associated with ? \nSelect and explain. \nA. Antioxidant mechanism in body, B. Logetivity of life span, C. Regeneration of liver after paial resection, D. Carcinogenesis in human', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Logetivity of life span", 'role': 'assistant'}]