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': 'Most emetogenic drug is: \nSelect and explain. \nA. Cisplatin, B. Carboplatin, C. High dose cydophosphamide, D. High dose methotrexate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cisplatin', 'role': 'assistant'}]