This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Commonest benign tumor of liver is \nSelect and explain. \nA. Hamaoma, B. Hemangioma, C. Adenoma, D. Nodular focal hyperplasia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Refer Robbins page no Pg 867', 'role': 'assistant'}]