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': 'Steroids are indicated in all of the following conditions except \nSelect and explain. \nA. oedema following extractions, B. oral ulcers in AIDS patients, C. TMJ arthritis, D. Angioneurotic oedema', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]