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': 'Distant metastasis in Retinoblastoma is commonly seen in: September 2012 \nSelect and explain. \nA. Long bones, B. Lungs, C. Brain, D. Liver', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C i.e. Brain', 'role': 'assistant'}]