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': 'Retinal detachment occurs in which layer? \nSelect and explain. \nA. Sensory retina, B. Pigmentary retina, C. Inner nuclear layer, D. Outer plexiform layer', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Sensory retina REP: Khurana 4th ed p. 275 "Retinal detachment is defined as separation of neurosensory retina from pigmentary retina"', 'role': 'assistant'}]