This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharynx, Subject name: ENT
[{'content': 'Trotter&;s triad includes all except \nSelect and explain. \nA. Sensory disturbance over distribution of 5th cranial nerve, B. Conductive deafness, C. Diplopia, D. Palatal palsy', 'role': 'user'}, {'content': "Answer: C \nExplanation: Trotter&;s traid:- Nasopharyngeal cancer can cause conductive deafness (eustachian tube blockage), ipsilateral temporoparietal neuralgia (involvement of CN V) and palatal paralysis (CN X)-- collectively called Trotter's triad. Ref:- Dhingra; pg num:-251", 'role': 'assistant'}]