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: Medicine
[{'content': 'Drug of choice for treating schistosoma haematobium is - \nSelect and explain. \nA. Metronidazole, B. Praziquantel, C. Pyrantel pamoate, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]