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: Ophthalmology
[{'content': "Keratic precipitates are seen in which layer of the cornea? \nSelect and explain. \nA. Corneal epithelium, B. Corneal endothelium, C. Descemet's membrane, D. Bowman's membrane", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Keratic precipitates are cellular deposits on corneal endothelium compared to epitheloid cells, lymphocytes, polymorphs.', 'role': 'assistant'}]