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: Pharmacology
[{'content': "Following are the propeies of Biguanides, EXCEPT: \nSelect and explain. \nA. Decrease hepatic gluconeogenesis, B. Not contraindicated in renal dysfunction, C. Can be used along with sulfonylureas, D. Don't stimulate insulin Release", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Biguanides are contraindicated in patients with renal failure, congestive hea failure, alcoholism and hepatic diseases. Ref: Richard Finkel, Michelle Alexia Clark, Pamela C. Champe, Luigi X. Cubeddu (2009), Pharmacology, 4th Edition, Lippincott Williams and Wilkins Publications, United States Page 292', 'role': 'assistant'}]