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': 'Antigen presenting cells are all of the following except- \nSelect and explain. \nA. Astrocytes, B. Endothelial cells, C. Epithelial cells, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'a' i.e., Astrocytes; 'b' i.e., Endothelial cells; 'c' i.e., Epitehlial cells", 'role': 'assistant'}]