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': 'Pyramidalis is supplied by ? \nSelect and explain. \nA. Subcostal nerve, B. Ilioinguinal nerve, C. Iliohypogastric nerve, D. Genitofemoral nerve', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Subcostal nerve", 'role': 'assistant'}]