This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fundamentals in Radiology, Subject name: Radiology
[{'content': 'Which looks the same in T1 and T2 on MRI \nSelect and explain. \nA. Gall bladder, B. Fat, C. Kidney, D. CSF', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Fat appears hyperintense on both T1 and T2 weighted images', 'role': 'assistant'}]