This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sutures and Anastomoses, Subject name: Surgery
[{'content': 'In intestinal anastomosis, strength is mainly provided by:- \nSelect and explain. \nA. Mucosa, B. Submucosa, C. Serosa, D. Muscularis mucosa', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In intestinal anastomosis, strength is mainly provided by Submucosa.', 'role': 'assistant'}]