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: Dental
[{'content': "Id, ego and super ego are part of: \nSelect and explain. \nA. Piaget's theory, B. Freud's psychoanalytical theory, C. Stone and Churchill's theory, D. Erickson's theory", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Freud’s Psychodynamic Theory\nAccording to Freud, what humans do, why they do it, what and how humans\xa0are\xa0largely determined during the first few years of life during which the person develops characteristic ways of dealing with internal (sexual) drives and conflicts. Differences in personality originate from differences in childhood sexual experiences.\nStructure of Personality\nThe structure of personality is composed of three mental structures, the id, the ego and the superego. What a person thinks, feels and does is a function of the actions and interactions of\xa0these three hypothetical structures called psychic triad, each of these structures developing at a different time.', 'role': 'assistant'}]