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': 'Expert witness comes under \nSelect and explain. \nA. Sec 142 IEA, B. Sec 45 IEA, C. Sec 32 IEA, D. Sec 141 IEA', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Refer the byte "Legal sections".', 'role': 'assistant'}]