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': 'Minimum age to give consent for organ donation for therapeutic purposes: DNB 09 \nSelect and explain. \nA. 12 years, B. 18 years, C. 21 years, D. No such law in action', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. 18 years', 'role': 'assistant'}]