This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
[{'content': 'Opening of esophagus into diaphragm is at the level of \nSelect and explain. \nA. T6, B. T10, C. T12, D. T8', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Opening of esophagus into diaphragm is at the level of T10. Ref - BDC 6th edition Vol 1 pg282', 'role': 'assistant'}]