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': 'Microcherry appearance is a characteristic of \nSelect and explain. \nA. Haemangioma, B. Erythema multiforme, C. Lichen planus, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]