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: Microbiology
[{'content': 'Diphtheria toxin resembles toxin of ? \nSelect and explain. \nA. Birds, B. Spider, C. Snake, D. Scorpion', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Snake Nerve damage caused by diphtheria toxin resembles to action of neurotoxic snakes (Cobra).", 'role': 'assistant'}]