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': 'Sequence of steps in RPD \nSelect and explain. \nA. Guide plane, axial contouring, rest seat, B. Axial contouring, guide plane, rest seat, C. Axial contouring, rest seat, guide plane, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]