This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdominal Injury, Subject name: Surgery
[{'content': 'Midline incision in abdomen, length of suture required- \nSelect and explain. \nA. 4 times the length of incision, B. 3 times the length of incision, C. 2 times the length of incision, D. 5 times the length of incision', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 4 times the length of incision", 'role': 'assistant'}]