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': 'Volunteering a statement can be done by: Punjab 07 \nSelect and explain. \nA. Eyewitness, B. Medical witness, C. Hostile witness, D. IO', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Medical witness', 'role': 'assistant'}]