This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pediatrics
[{'content': '6 years old drowsy child is brought to emergency with a history of vomitings and loose motion for 3 days. On examination, he had sunken eyes, hypothermia, skin on pinching taken very long time to reve. Diagnosis is \nSelect and explain. \nA. No dehydration, B. Mild dehydration, C. Some dehydration, D. Severe dehydration', 'role': 'user'}, {'content': "Answer: D \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 pinchA child with some signs of dehydration will have two of the following: restlessness or irritability, sunken eyes, drinking eagerly or slow skin pinchA child with either one or none of these signs is classified as having dehydration.(Refer: OP Ghai's Textbook of Pediatrics, 8th edition, pg no. 265)", 'role': 'assistant'}]