<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 6-year-old girl is brought to a clinic with complaints of fever and sore throat for 2 days. This morning, she developed a rash on her face and neck which is progressing towards the trunk. The teachers in her school report that none of her classmates has similar symptoms. She has a normal birth history. On physical examination, the child looks healthy. The heart rate is 90min, respiratory rate is 20min, temperature is 39.0C 102.2F, and blood pressure is 9050 mm Hg. An oropharyngeal examination reveals circumoral pallor with a red tongue, as shown in the photograph below. The chest and cardiac examinations are within normal limits. No hepatosplenomegaly is noted. What is the most likely diagnosis?? A: Scarlet fever, B: Erythema Infectiosum, C: Kawasaki disease, D: Roseola, E: Measles,  <response>: Based on the information provided in the question stem, the key findings are:- 6-year-old girl with fever, sore throat, and rash progressing from faceneck to trunk- No similar symptoms in classmates - Normal birth history- Physical exam shows circumoral pallor, red tongue, fever, tachycardia - No abnormalities on cardiac exam or hepatosplenomegalyThe rash starting on the faceneck and spreading to the trunk along with the red tongue and circumoral pallor are classic signs of scarlet fever. The fever and sore throat are also consistent. The lack of similar symptoms in classmates makes infectious causes like measles less likely. The normal cardiac exam and lack of hepatosplenomegaly make Kawasaki disease unlikely. Overall, the presentation is most consistent with scarlet fever.A: Scarlet fever 