This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
[{'content': 'Place of first liver transplant \nSelect and explain. \nA. Pittsburgh, B. Boston, C. Colarado, D. Cambridge', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Firat liver transplantation was done by Starzl in 1963, in Denver, University of Colorado Ref: Sabiston 20th edition Pgno : 637', 'role': 'assistant'}]