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: Dental
[{'content': 'Graft when taken from a different species is called a: \nSelect and explain. \nA. Keno graft, B. Auto graft, C. Alto graft, D. Homo graft', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]