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: Forensic Medicine
[{'content': 'A person was brought to the emergency with a history of something stuck in his throat during his dinner which progressed to dyspnea, the probable diagnosis is: AI 09 \nSelect and explain. \nA. Myocardial infarction, B. Choking, C. Pulmonary embolism, D. Aoic dissection', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Choking', 'role': 'assistant'}]