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': 'Which of the following is true about roseola infantum - \nSelect and explain. \nA. Defervescene follows the rash, B. Caused by HHV 6 and 7, C. Slapped check appearance is seen, D. Otitis media is common complication', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Caused by HHV 6 & 7", 'role': 'assistant'}]