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': 'TRUE about attachment at ischial tuberosity \nSelect and explain. \nA. Origin of semitendinosus from superolateral area, B. Origin of semimembranosus from superolateral area, C. Origin of long head of biceps from inferolateral area, D. Origin of adductor magnus from inferomedial area', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Muscle Origin Semitendinosus Inferomedial impression on upper pa of ischial tuberosity Semimembranosus Superolateral impression on upper pa of ischial tuberosity. Biceps femoris Long head: inferomedial impression on upper pa of ischial tuberositysho head:lateral lip of linea aspera Adductor magnus Lower lateral pa of ischial tuberosity, ramus of ischium, lower pa of inferior ramus of pubis. fig:-ischial tuberosity attachment of muscles', 'role': 'assistant'}]