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': 'Wax pattern for casting is made up of \nSelect and explain. \nA. Inlay wax, B. Sticky wax, C. Modelling wax, D. Carnuba wax.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]