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: Biochemistry
[{'content': 'Cellular oxidation is inhibited by : \nSelect and explain. \nA. Cyanide, B. Carbon dioxide, C. Chocolate, D. Carbonated beverages', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Cyanide', 'role': 'assistant'}]