This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pre Anesthetic Evaluation, Subject name: Anaesthesia
[{'content': 'What difficulty is assessed by Mallampati score/classification- \nSelect and explain. \nA. Inadequate mouth opening, B. Sho and thick neck, C. Long upper incisors, D. Large tongue', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The Mallampati classification has become standard for assessing the relationship of the tongue size relative to oral cavity. from class 1 to 4 gradually tongue size is increasing.', 'role': 'assistant'}]