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': 'The dental pulp contains nerve endings / receptors for \nSelect and explain. \nA. Pain, B. Pressure, C. Proprioception, D. Temperature', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]