Regarding obesity syndromes, determine the true / false statements: a) Prader-Willi syndrome has normal stature with truncal obesity b) Laurence-Moon-Biedl is autosomal; polydactyly is seen c) Ahlstrom's syndrome patients has moderate mental retardation d) Cohen's syndrome- Patients will have craniofacial anomalies and delayed pubey e) Carpenter's syndrome have secondary hypogonadism