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: Pathology
[{'content': "Least found type of Hodgkin's lymphoma is? \nSelect and explain. \nA. Nodular sclerosis, B. Lymphocyte depleted, C. Lymphocyte rich, D. Nodular lymphocyte predominant", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Nodular sclerosis 60-80%\nMixed cellularity 15-30%\nLymphocyte depleted <1%\nLymphocyte rich 5%\nNodular lymphocyte predominant 5%', 'role': 'assistant'}]