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': 'Polyvalent snake vaccines contains immunoglobins against all, except PGI 11 \nSelect and explain. \nA. Ophiophagus hannah, B. Naja naja, C. Daboia rusellii, D. Bungarus caeruleus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Ophiophagus hannah', 'role': 'assistant'}]