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: Surgery
[{'content': 'False about myositis ossificans progressiva (child with heterotopic ossifications) is \nSelect and explain. \nA. Pneumonia is common, B. Life longevity is normal, C. Most common site involved is the spine, D. Onset is before 6 year', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Life longevity is normal', 'role': 'assistant'}]