This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: ENT
[{'content': '"Luc\'s abscess" is \nSelect and explain. \nA. Abscess over temporal region, B. Abscess involving external auditory canal, C. Abscess over mastoid, D. Abscess along sternomastoid muscle', 'role': 'user'}, {'content': "Answer: B \nExplanation: Luc's abscess - Under periosteum of the roof of bony external auditory canal Ref : ENT textbook by Dhingra 6th edition Pgno : 51-53", 'role': 'assistant'}]