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': 'Residual asymmetric deformity of mandible is seen in: \nSelect and explain. \nA. Caffey disease., B. Thalassemia., C. Achondroplasia., D. Paget disease.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]