This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Development of GU system and Neuro-vascular supply of pelvis & perineum, Subject name: Anatomy
[{'content': 'Prostate gland is derived from \nSelect and explain. \nA. Urogenital sinus, B. Urogenital folds, C. Labioscrotal swelling, D. Gubernaculum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In the hindgut at the region of cloaca develops a urogenital sinus which forms urinary bladder, urethra and lower pa of vagina in females. It also forms inner glandular poion of prostate gland. It is endodermal in origin.', 'role': 'assistant'}]