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': 'Hemoptysis is commonly seen in: March 2011 \nSelect and explain. \nA. Pulmonary thromboembolism, B. Miliary tuberculosis, C. Pneumoconiosis, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A: Pulmonary thromboembolism Pulmonary thromboembolism is a common cause of haemoptysis Tuberculosis is a commoner cause of haemoptysis (but military TB has not been mentioned as such)', 'role': 'assistant'}]