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: Social & Preventive Medicine
[{'content': '‘Burning Sole Syndrome’ is seen in deficiency of \nSelect and explain. \nA. Pantothenic acid, B. Pyridoxine, C. Riboflavin, D. Vitamin B12', 'role': 'user'}, {'content': "Answer: A \nExplanation: • Pantothenic acid is required by adrenal cortex.\n• Pantothenic acid deficiency was thought to be cause of 'Burning Feet/Sole Syndrome' among PoW in WW II.", 'role': 'assistant'}]