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: Medicine
[{'content': 'A patient presents with recurrent episodes of sharp pain over his right cheek that is precipitated on chewing. Between attacks patients is otherwise normal.The most probable diagnosis is - \nSelect and explain. \nA. Preherpetic neuralgia, B. Trigeminal neuralgia, C. Mumps, D. Thalamic syndrome', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer- B. Trigeminal neuralgia', 'role': 'assistant'}]