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': 'After treating the cleft palate the occlusion is \nSelect and explain. \nA. Normal occlusion, B. Unilateral and bilateral crossbite, C. Anterior open bite, D. Anterior deep bite', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]