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: ENT
[{'content': 'All Assess vestibular function, except \nSelect and explain. \nA. Fistula test, B. Galvanic test, C. Lombard test, D. VEMP', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]