This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
[{'content': 'according to maastricht classification category 3 is ? \nSelect and explain. \nA. dead on arrival to hospital, B. resuscitation attempted with out success, C. awaiting cardiac arrest after withdrawal of suppo, D. cadiac arrest while brain dead', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Category Features Alternative categories 1 Dead upon arrival, accident and emergency Uncontrolled 2 Resuscitation attempted without success, accident and emergency Uncontrolled 3 Awaiting cardiac death, intensive care Controlled 4 Cardiac arrest while brain dead, intensive care Controlled ref : bailey and love 27th ed', 'role': 'assistant'}]