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': "Langerhan's cells are - \nSelect and explain. \nA. Phagocytic cells, B. Antigen presenting cells, C. Seen in auto immune conditions, D. Seen in chronic infection", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Antigen presenting cells Langerhans cells are dendritic cells They acts as antigen presenting cells.", 'role': 'assistant'}]