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': 'Newborn is presented with microcephaly, Chorioretinitis, Limb hypoplasia  & Cicatrising lesion of hands. Most probable diagnosis is \nSelect and explain. \nA. Herpes simplex, B. Congenital varicella syndrome, C. CMV, D. Rubella', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Congenital varicella syndrome\n\nMicrocephaly\nChorioretinitis\nLimb hypoplasia\nCicatrizing lesion', 'role': 'assistant'}]