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: Orthopaedics
[{'content': 'All are features of Osteogenesis imperfecta except- \nSelect and explain. \nA. Blue sclera, B. Multiple #s, C. Cataract, D. Hearing loss', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Multiple fractures, deafness (hearing loss) due to otosclerosis and blue sclera is seen. Cataract is not a feature.', 'role': 'assistant'}]