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: Physiology
[{'content': 'Liver does not produce \nSelect and explain. \nA. Albumin, B. Gamma globulin, C. Fibrinogen, D. Prothrombin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Gamma globulin is not produced by liver.', 'role': 'assistant'}]