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: Microbiology
[{'content': "Chlamydia psittacosis all are true except - \nSelect and explain. \nA. Acquired from bird's droppings, B. Causes urethritis, C. Causes pneumonia, D. Treatment is tetracycline", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Urethritis does not occur in psittacosis', 'role': 'assistant'}]