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': 'All is exempted from oral testimony except- \nSelect and explain. \nA. Dying declaration, B. Medical evidence of injury as witness, C. Chemical examination report, D. Evidence of medical expert in lower court', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Oral testimony is not required in:-\n\nDying declaration.\nDeposition of medical witness taken in lower court.\nEvidence given by a witness in a previous judicial proceedings.\nExpert opinion expressed in a treatise (ex. book).\nReport of a certain government scientific experts eg. chemical examiner, assistant chemical examiner, chief inspector of explosive, director of finger print bureau.\nStatement by persons who cannot be called as witness (the person is either dead, untraceable or has become incapable of giving evidence or cannot be called without unreasonable delay or expense to the court).', 'role': 'assistant'}]