This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': "Which of the following is an Interstitial type of a hernia \nSelect and explain. \nA. Richter's hernia, B. Spigelian hernia, C. Femoral hernia, D. Epigastric hernia", 'role': 'user'}, {'content': 'Answer: B \nExplanation: An interstitial hernia occurs when a hernia extends between the layers of muscle and not directly through themThis is typical of a Spigelian hernia.', 'role': 'assistant'}]