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: Pathology
[{'content': 'ALL of the following are true about trigeminal neuralgia\nEXCEPT \nSelect and explain. \nA. it is unilateral, B. it is of throbbing nature, C. it is triggered by touching cheeks, mucosa etc, D. occurs in bouts', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]