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': 'Which of the following organs obtained from cadaver is not used for transplant? AI 11 \nSelect and explain. \nA. Blood vessels, B. Lung, C. Liver, D. Urinary bladder', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Urinary bladder', 'role': 'assistant'}]