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: Surgery
[{'content': 'Steroids are used in transplantation - \nSelect and explain. \nA. To prevent graft rejection, B. To prevent infection, C. To speed up recovery, D. To enhance immunity', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., To prevent graft rejection", 'role': 'assistant'}]