This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oral Cavity, Subject name: ENT
[{'content': 'Most common site for carcinoma of oral tongue is: \nSelect and explain. \nA. Tip, B. Dorsum, C. Lateral border, D. Ventral surface', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Majority of tongue carcinomas arises from its lateral border. A small number of them arise from the dorsal surface, tip or the ventral aspect.', 'role': 'assistant'}]