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': 'If solid line represent the rigid height, then the following diagram with excessive inter arch space is classified in? \nSelect and explain. \nA. Class - 1, B. Class - 2, C. Class - 3, D. Class - 4', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]