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': 'Salt and pepper fundus is seen in \nSelect and explain. \nA. Multiple sclerosis, B. Cystinosis, C. Weil-Marchaesani syndrome, D. Congenital syphilis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Congenital syphilis', 'role': 'assistant'}]