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': 'A maxillary right canine may be distinguished from a maxillary left canine because: \nSelect and explain. \nA. The root curves to mesial in the apical 1/3rd, B. The distal half of canine shows more convexity than the mesial half, C. Facially the cusp tip is placed distal to Bisecting line, D. Lingually the cervical line slopes mesially', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]