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: Anaesthesia
[{'content': 'True about propofol: \nSelect and explain. \nA. Indicated in egg allergy, B. Can be used in porphyria, C. It is of barbiturate group, D. All', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Can be used in porphyria', 'role': 'assistant'}]