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': 'Malignant melanoma of the choroid will produce: September 2012 \nSelect and explain. \nA. Retinal dialysis, B. Exudative retinal detachment, C. Traction retinal detachment, D. Rhegmatogenous retinal detachment', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B i.e. Exudative retinal detachment', 'role': 'assistant'}]