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: Pathology
[{'content': 'ASLO Titres are used in the diagnosis of ? \nSelect and explain. \nA. Acute rheumatoid ahritis, B. Acute rheumatic fever, C. Ankylosing spondylitis, D. Osteoahritis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Acute rheumatic fever", 'role': 'assistant'}]