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': 'Epitheloid cell is a modified - \nSelect and explain. \nA. Lymphocyte, B. Macrophage, C. Mast cell, D. Eosinophil', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Macrophages", 'role': 'assistant'}]