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': 'Lahsal classification is used for: \nSelect and explain. \nA. Cleft lip and palate, B. Tumor staging, C. Neurological assessment of trauma patient, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Any classification for such a diverse and varied condition as cleft lip and palate needs to be simple, concise, flexible and exact but graphic. It must be suitable for computerisation but descriptive and morphological. An example of such a classification is the LAHSHAL system.', 'role': 'assistant'}]