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: Medicine
[{'content': 'Pellagra like dermatitis occures in - \nSelect and explain. \nA. Dermato myositis, B. Carcinoid syndrome, C. SLE, D. Lymphoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]