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': 'Which of the following is/are tuberculides \nSelect and explain. \nA. Lichen scrofulosorum, B. Lichen nichidus, C. Lichen aureus, D. All', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e., Lichen scrofulosorum', 'role': 'assistant'}]