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: Medicine
[{'content': 'Aspiration of liquid vomitus into trachea or bronchi results in: \nSelect and explain. \nA. Bronchitis, B. Atelectasis, C. Lung abscess, D. Pleurisy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]