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 gingival fibre group which inserts in two adjacent teeth is the? \nSelect and explain. \nA. Horizontal group, B. Circular group, C. Trans-septal group, D. Oblique group', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]