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: Pathology
[{'content': 'The most common supernumerary tooth form is \nSelect and explain. \nA. Tuberculated, B. Conical, C. Screw shaped, D. Incisor shaped', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]