This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'Tic douloureux is facial pain traveling through the _____ nerve? \nSelect and explain. \nA. Facial, B. Hypoglossal, C. Trigeminal, D. Vestibulocochlear', 'role': 'user'}, {'content': "Answer: C \nExplanation: Harrison's principles of internal medicine 17th edition. * Trigeminal neuralgia(Tic douloureux) is characterised by excruciating paroxysms of pain in lips , gums, cheek or chin and very rarely in distribution of ophthalmic division of 5th nerve.", 'role': 'assistant'}]