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: Biochemistry
[{'content': 'Which among the following is not a cause of hypoglycaemia? \nSelect and explain. \nA. Glucagon excess, B. Glucose 6 phosphatase deficiency, C. Uremia, D. Glycogen synthase deficiency', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]