This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous System, Subject name: Pediatrics
[{'content': 'What is the underlying abnormality in this child with seizures? \nSelect and explain. \nA. Tuberous sclerosis, B. Sturge-Weber syndrome, C. McCune Albright syndrome, D. Neurofibromatosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: b. Sturge-Weber syndromePort wine stain of half of the face involving ophthalmic & maxillary divisions of trigeminal nerve suggest Sturge-Weber syndrome', 'role': 'assistant'}]