This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
[{'content': 'Most effective treatment for severe malaria is \nSelect and explain. \nA. Aesunate, B. Chloroquine, C. Quinine, D. Primaquine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Refer Harrison 19th/1699-1701 Drug for choice for severe or complicated malaria is aesunate .For more6 details see text', 'role': 'assistant'}]