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': 'A middle aged man comes to OPD with paraesthesia of hands and feet, hyperkeratosis of palms, rain drop ptgmentation and transverse lines on nails. Most likely the person is having: \nSelect and explain. \nA. Arsenic poisoning, B. Lead poisoning, C. Cadmium poisoning, D. All', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Arsenic poisoning', 'role': 'assistant'}]