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: Surgery
[{'content': 'Commonest type of cleft lip is - \nSelect and explain. \nA. Bilateral, B. Midline, C. Combined with cleft palate, D. Unilateral', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Distribution of Cleft types\nCleft lip alone → 15%\nCleft lip & palate → 45%\nIsolated cleft palate → 40%', 'role': 'assistant'}]