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: Anatomy
[{'content': 'Muscles taking origin from ischial tuberosity are all except : \nSelect and explain. \nA. Adductor longus, B. Semimembranosus, C. Semitendinosus, D. Adductor magnus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Other attachments on the ischial tuberosity are:Long head of biceps femorisSacrotuberous ligamentIschiofemoral ligamentAdductor longus arises from the body of pubis', 'role': 'assistant'}]