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': 'Poal vein is related to all except : \nSelect and explain. \nA. Pancreas, B. Gall bladder, C. Inf. vena cava, D. CBD', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B. i.e. Gall Bladder', 'role': 'assistant'}]