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: Biochemistry
[{'content': 'Tocopherol is associated with: \nSelect and explain. \nA. Vitamin A, B. Vitamin E, C. Vitamin K, D. Vitamin D', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]