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: Unknown
[{'content': 'Laurence Moon Biedle syndrome -Associated with - \nSelect and explain. \nA. Polydactyly, B. Mental retardation, C. Retinitis pigmentosa, D. All of above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., All of above [Ref: Harrison IS^/e p. 425\\ Laurence-Moon-Biedl syndrome is characterized by:o Obesityo Mental retardationo Retinitis pigmentosao Polydactylyo Hypogonadotropic hypogonadism", 'role': 'assistant'}]