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': 'A viral organism was isolated from a painful blister on the lip of a girl. The agent was found to double-stranded, linear DNA and was enveloped. Most likely causative organism is: \nSelect and explain. \nA. EBV, B. HSV, C. CMV, D. Pox', 'role': 'user'}, {'content': 'Answer: B \nExplanation: HSV', 'role': 'assistant'}]