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: Dental
[{'content': 'Upper 4 resembles 5 from which aspect? \nSelect and explain. \nA. Mesially, B. Lingually, C. Occlusal, D. Distally', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]