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': 'Fracture of clavicle is commonest at: \nSelect and explain. \nA. Junction of medial 1/3rd and lateral 2/3rd, B. Junction of medial 2/3rdand lateral 1/3rd, C. Midpoint, D. Scapular end', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Junction of medial 2/3 & lateral 1/3rd', 'role': 'assistant'}]