This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors, Subject name: Ophthalmology
[{'content': 'Amaurotic cat eye reflex is seen in \nSelect and explain. \nA. Cridu chat syndrome, B. Retinoblastoma, C. Trachoma, D. Retinitis pigmentosa', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Retinoblastoma', 'role': 'assistant'}]