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': 'Oesophagus crosses the diaphragm at the level of: \nSelect and explain. \nA. T8, B. T10, C. T12, D. T2', 'role': 'user'}, {'content': 'Answer: B \nExplanation: T10', 'role': 'assistant'}]