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': 'Chubby cheeks, eyes are blue and staring at the sky is a feature of \nSelect and explain. \nA. Cherubism, B. Fibrous dysplasia, C. Ectodermal dysplasia, D. Sicca syndrome', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]