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: Social & Preventive Medicine
[{'content': '2 snake bite cases found in Bihar, it is \nSelect and explain. \nA. Epidemic, B. Pandemic, C. Sporadic, D. Endemic', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]