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': 'A child who bleeds from gums and has swollen knee–probably due to – \nSelect and explain. \nA. Hemophilia, B. ITP, C. Scurvy, D. Trauma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]