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 is feature of Alzheimer's disease \nSelect and explain. \nA. Early memory loss, B. Recent memory loss, C. Recent and past memory loss, D. Global memory loss", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Recent memory loss', 'role': 'assistant'}]