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': 'Morbilliform eruptions is seen in: \nSelect and explain. \nA. Scarlet fever, B. Rubella, C. Toxic shock syndrome, D. All', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Rubella', 'role': 'assistant'}]