This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Lower leg perforators are named after \nSelect and explain. \nA. Cockett, B. Boyd, C. Dodd, D. May or kuster', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .', 'role': 'assistant'}]