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: Medicine
[{'content': 'Cigarette paper scars in skin is classically seen in: \nSelect and explain. \nA. Osteogenesis imperfecta, B. Ehler danlos syndrome, C. Chondrodysplasia, D. Alpo syndrome', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Skin in Ehler danlos syndrome is either dramatically hyperextensible ("rubber person" syndrome) or easily torn or scarred. Patients with classical EDS develop characteristic cigarette-paper scars. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 3209', 'role': 'assistant'}]