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: Psychiatry
[{'content': 'Which of the following conditions characterised by episodes of excessive and uncontrolled eating - \nSelect and explain. \nA. Anorexia nervosa, B. Bulimia nervosa, C. Body dysmorphobia, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]