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': 'Vitamin A is stored mainly as retinol esters in: \nSelect and explain. \nA. Kidney, B. Muscle, C. Liver, D. Retina', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Liver', 'role': 'assistant'}]