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: Dental
[{'content': 'Herpes zoster is commonly seen in – \nSelect and explain. \nA. Cervical region, B. Thoracic region, C. Lumber region, D. Geniculate ganglion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]