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: Pathology
[{'content': 'Which of  the following has strongest association with osteosarcoma? \nSelect and explain. \nA. Wilms tumor, B. Retinoblastoma, C. Rhabdomyosarcoma, D. Ewings tumor', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Retinoblastoma and osteosarcoma both can occur due to mutation in common gene i.e RB gene. Hence both have strongest association.', 'role': 'assistant'}]