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': 'A patient complains of pain in tooth on taking hot food, the pain subsides on taking cold. Diagnosis is: \nSelect and explain. \nA. Reversible pulpitis, B. Internal resorption, C. Partial pulp necrosis, D. Traumatic injury', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Typically, a tooth that responds to heat application to cause pain while the pain is resolved by cold indicates partial pulp necrosis.', 'role': 'assistant'}]