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: Microbiology
[{'content': 'Katayama fever is seen in \nSelect and explain. \nA. Schistosoma Mansoni, B. Schistosoma japonicum, C. S. haematobium, D. S. mekongi', 'role': 'user'}, {'content': 'Answer: A \nExplanation: S. mansoni more likely to cause Katayama fever than Japonicum.', 'role': 'assistant'}]