This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lysosomal Storage Diseases, Subject name: Pediatrics
[{'content': 'All of the following predominantly involve the white matter EXCEPT? \nSelect and explain. \nA. Alexander disease, B. Canavan disease, C. Neuronal ceroid lipofuscinosis, D. Adrenoleukodystrophy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Gray matter diseases White matter diseases Clinical features Seizures, impaired vision, dementia Motor problems Examples Neuronal ceroid lipofuscinosis Biotinidase deficiency Pyridoxine deficiency Mitochondrial disorders Alexander disease Canavan disease Adrenoleukodystrophy Metachromatic leukodystrophy Krabbe disease', 'role': 'assistant'}]