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': 'The 6-year-old drowsy child came in an emergency with a history of vomiting, loose motion for 3 days. On examination, he had a sunken eye, hypothermia, the skin on pinching taken time to revert diagnosis - \nSelect and explain. \nA. Nodehydration, B. Severe dehydration, C. Mild dehydration, D. Some dehydration', 'role': 'user'}, {'content': 'Answer: B \nExplanation: A child with severe dehydration will have at least two of the following four signs: sensorium is abnormally sleepy or lethargic, sunken eyes, drinking poorly or not at all, and a very slow skin pinch,\nA child with some signs of dehydration will have two of the following: restlessness or irritability, sunken eyes, drinking eagerly or slow r skin pinch.\nA child with either one or none of these signs is classified as having no signs of dehydration.', 'role': 'assistant'}]