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': "Dewey's Modification of the Angle's Class-I Type 2 is? \nSelect and explain. \nA. Crowded Anteriors, B. Anterior Crossbite, C. Anteriors in Labioversion, D. Posterior Crossbite", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]