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': 'Concept of super ego was given by: \nSelect and explain. \nA. Eric fromm, B. Sigmund Freud, C. Eric Erikson, D. Carl Jung', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B. i.e. Sigmund freud', 'role': 'assistant'}]