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': 'Which one of the following should be relieved under a\npalatal major connector? \nSelect and explain. \nA. Rugae region, B. Posterior palatal seal, C. Soft flabby tissue, D. Torus palatinus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]