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': 'Interpretation of dreams by Freud - \nSelect and explain. \nA. 1990, B. 1900, C. 1956, D. 1919', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Freud advanced the \'topographic theory of mind\' in the year 1900 in the book "the interpretation of dreams".', 'role': 'assistant'}]