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': 'EBV positivity is higher in which type of Hodgkin lymphoma: \nSelect and explain. \nA. Nodular sclerosis., B. Mixed cellularity., C. Lymphocyte depleted., D. Lymphocyte rich.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]