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': 'What is hypnopampic phenomenon? \nSelect and explain. \nA. If experienced while falling asleep, B. If experienced while awakening, C. After head trauma, D. After convulsion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B. i.e. If experienced while awakening', 'role': 'assistant'}]