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: Pathology
[{'content': "According to Veau's classification of cleft lip & palate, isolated cleft palate falls under: \nSelect and explain. \nA. Group I, B. Group II, C. Group III, D. Group IV", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]