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: Pathology
[{'content': 'Which of the following cell is known as 1st cousin of melanocyte: \nSelect and explain. \nA. Nevus cell., B. Junctitonal cell, C. Myelin cell, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]