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: Pharmacology
[{'content': 'Anti-vertigo   drug which modulates  calcium   channels and has prominent labyrinthine suppressant property is: \nSelect and explain. \nA. Cyproheptadine, B. Cinnarizine, C. Clemastine, D. Cetrizine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]