This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Most common type of Supracondylar fracture in children is \nSelect and explain. \nA. Posteromedial extention, B. Posterolateral extension, C. Anterimedial flexion, D. Anterolateral flexion', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Extension type is the most common type (97-99 percnt) and the most commonest displacement of distal fragment is Posteromedial (70-80 percnt)', 'role': 'assistant'}]