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: Forensic Medicine
[{'content': 'Lanugo hair first appears in a fetus at: UP 07 \nSelect and explain. \nA. 2nd month, B. 3rd month, C. 4th month, D. 5th month', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. 4th month', 'role': 'assistant'}]