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': 'Fever & hemorrhagic rash are seen in all except- \nSelect and explain. \nA. Dengue fever, B. Lassa fever, C. Rift Valley fever, D. Sand fly fever', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]