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': "The following drugs are avoided with warfarin \nSelect and explain. \nA. Antacids, B. Benzodiazepine, C. Nsaid's like Ibuprofen, D. Codeine, dihydrocodeine, paracetmol", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]