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: Anatomy
[{'content': 'Suprapleural membrane is a remnant of \nSelect and explain. \nA. Scalenus anterior, B. Scalenus minimus, C. Subclavius, D. Scalinus medius', 'role': 'user'}, {'content': "Answer: B \nExplanation: Suprapleural membrane/ Sibson's fascia is a remnant of Scalenus minimus.", 'role': 'assistant'}]