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': 'HTLV-1 is also known as: \nSelect and explain. \nA. HIV, B. ATLV, C. RSV, D. ALV', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. b. ATLV', 'role': 'assistant'}]