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: Skin
[{'content': 'Growth phase of hair is \nSelect and explain. \nA. Anagen, B. Metagen, C. Telogen, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Anagen', 'role': 'assistant'}]