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': 'Shaking palsy is associated with poisoning with : \nSelect and explain. \nA. Lead, B. Mercury, C. Arsenic, D. Strontium', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e Mercury', 'role': 'assistant'}]