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: Surgery
[{'content': 'Unilateral TMJ ankylosis is associated with the following features, except: \nSelect and explain. \nA. Multiple carious teeth, B. Facial asymmetry with fullness on the normal side of mandible, C. Chin deviated towards the affected side, D. Prominent antegonial notch on the affected side', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]