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: Social & Preventive Medicine
[{'content': 'Which is the right number of doses of ATT for a category II patient under DOTS ? \nSelect and explain. \nA. IP-24, CP-54, B. IP-36, CP-66, C. IP-24, CP-48, D. IP-36, CP-54', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., IP-36, CP-66", 'role': 'assistant'}]