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: Anatomy
[{'content': 'Hofbauer cells are tissue macrophages of \nSelect and explain. \nA. Pancreas, B. Placenta, C. Uterus, D. Liver', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hoffbauer cells are the tissue macrophages of placenta', 'role': 'assistant'}]