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': 'The hernia which often simulates a peptic ulcer is - \nSelect and explain. \nA. Umbilical hernia, B. Fatty hernia of the linea alba, C. Incisional hernia, D. Inguinal hernia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]