This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'Papain acts an gamma globulin to form - \nSelect and explain. \nA. 2 Fc fragments, B. 2 Fab fragments, C. I Fab fragments, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., 2 Fab fragments o Papain acts at hinge region to produceOne Fc fragmentsTwo Fab fragments", 'role': 'assistant'}]