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': 'Laurence moon biedl syndrome is associated with \nSelect and explain. \nA. Polydactyly, B. Mental retardation, C. Retinitis pigmentosa, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Laurence-Moon-Biedl syndrome is characterized by:Obesity PolydactylyMental retardationHypogonadotropic hypogonadismRetinitis pigmentosa(Refer: OP Ghai's Textbook of Pediatrics, 8th edition, pg no. 496)", 'role': 'assistant'}]