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: Forensic Medicine
[{'content': 'Urinary alkalization increases urine elimination of all the following drugs, except: Odisha 11 \nSelect and explain. \nA. Salicylate, B. Methotrexate, C. Amphetamine, D. Phenobarbital', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Amphetamine', 'role': 'assistant'}]