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: Pediatrics
[{'content': "Most common intra abdominal solid organ tumor in child is ? \nSelect and explain. \nA. Neuroblastoma, B. Rhabdomyoblastoma, C. Wilm's tumor, D. Hypernephroma", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Neuro blastoma", 'role': 'assistant'}]