This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Pediatrics
[{'content': 'A 6-year-old girl on a predominantly maize based diet presents with history of recurrent diarrhea, dermatitis with rashes involving the neck area is seen in: \nSelect and explain. \nA. Pellagra, B. Tyrosinemia, C. Phenylketonuria, D. Albinism', 'role': 'user'}, {'content': "Answer: A \nExplanation: a. Pellagra(Ref: Nelson's 20/e p 324-326, Ghai 8/e p 118-119)Maize based diet predisposes to Niacin deficiency, which gives rise to Pellagra.", 'role': 'assistant'}]