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 propensity to metastasize through lymph nodes ? \nSelect and explain. \nA. Alveolar rhabdomyosarcoma, B. Osteosarcoma, C. Both, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Alveolar rhabdomyosarcoma", 'role': 'assistant'}]