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': 'Lacunar type of reed sternberg cell is seen in ? \nSelect and explain. \nA. Nodular sclerosis, B. Lymphocyte predominance, C. Mixed cellularity, D. Lymphocyte depletion', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Nodular sclerosis", 'role': 'assistant'}]