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: ENT
[{'content': 'Parapharyngeal abscess-all true except - \nSelect and explain. \nA. Midline swelling, B. Abscess in pharyngo maxillary space, C. Trismus, D. Torticollis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Parapharyngeal abscess is a lateral swelling (not midline).', 'role': 'assistant'}]