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': 'Slap cheek appearance is seen in \nSelect and explain. \nA. Erythema infectiosum, B. Exanthem subitum, C. Roseola infantun, D. None of above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Erythema infectiosum", 'role': 'assistant'}]