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': 'A 2 day old newborn baby presented with microcephaly, macroglossia, visceromegaly and a blood glucose level of 20 mg/dl. What is the most likely diagnosis \nSelect and explain. \nA. Prader–Willi syndrome, B. Beck with–Wiedman syndrome, C. Werner syndrome, D. Cockayne syndrome', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]