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': 'Type I Anorexia nervosa is characterized by \nSelect and explain. \nA. Avoidance of food, restrictive type of food intake, weight less than normal, B. Avoidance of food, binge eating and purging episodes, weight less than normal, C. Binge eating and no compensation, over weight, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Type I Anorexia nervosa or Restrictive subtype is seen in 50%\xa0of the cases, characterized by avoidance of food & highly restricted food.', 'role': 'assistant'}]