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: Pharmacology
[{'content': 'Treatment agent for scarlet fever is \nSelect and explain. \nA. Penicillin, B. Ciprofloxacin, C. Erythromycin, D. Chloramphenicol', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Penicillin Treatment : Immediate hospitalization and isolation of the patient is indicated. Penicillin is the treatment of choice.", 'role': 'assistant'}]