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: Pediatrics
[{'content': 'Pleomorphic rash is a feature of – \nSelect and explain. \nA. Chicken pox, B. Small pox, C. Erythema infectiosum, D. Erythema subitum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]