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': 'Disodium EDTA is used as an antidote for: DNB 10 \nSelect and explain. \nA. Mercury poisoning, B. OPC poisoning, C. Mushroom poisoning, D. Belladona poisoning', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Mercury poisoning', 'role': 'assistant'}]